{"projection_revision":6,"snapshot":"0e153cfe57164c6818f7ce46fe63f760","catalog_version":34416,"snapshot_created_at":"2026-11-10T06:31:16+00:00","snapshot_expires_at":"2026-11-11T06:31:16+00:00","source_changed_at":"2026-11-08T06:24:27+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"a9e889230510c868673217b079531944423e039746c66b74a06d735747f5c244","source_content_sha256":"5d6a81bd52debfb6c534d5e6ed37ced91522fa0356da34124fee647894faa8bb","total_catalog_pieces":8368,"canonical_url":"https://roadtovirtuosity.com/ai/catalog","schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":8368,"returned":50,"page":39,"per_page":50,"total_pages":168,"previous_page_url":"https://roadtovirtuosity.com/ai/catalog.json?page=38&snapshot=0e153cfe57164c6818f7ce46fe63f760","next_page_url":"https://roadtovirtuosity.com/ai/catalog.json?page=40&snapshot=0e153cfe57164c6818f7ce46fe63f760","end_of_results":false,"alternate_formats":{"html":"https://roadtovirtuosity.com/ai/catalog?page=39&snapshot=0e153cfe57164c6818f7ce46fe63f760","json":"https://roadtovirtuosity.com/ai/catalog.json?page=39&snapshot=0e153cfe57164c6818f7ce46fe63f760","text":"https://roadtovirtuosity.com/ai/catalog.txt?page=39&snapshot=0e153cfe57164c6818f7ce46fe63f760"},"warnings":["Archive-only entries have unknown grading status. Zero points with Level 0 are pending. Positive points establish known grading, including beginner Level 0; explicit review declarations are preserved.","Strict taxonomy filters exclude unattributed records; search title text separately before deciding something is missing.","Work identity, musical sequence and completeness are unknown unless reviewed metadata is supplied. Catalog collections are existing subcategory groupings.","Historical first-publication dates are unknown. Date counts include only currently public entries with known first-publication dates.","File availability reports a public file reference, not a storage-health check."],"publication_count_scope":"currently public entries first published during the requested interval","unknown_publication_dates_before_date_filter":4356,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":6244,"title":"Chopin - Polonaise No. 2 in E-Flat Minor - Op. 26","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":729325,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-polonaise-no-2-in-e-flat-minor-op-26","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":729325}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:07:18+00:00","first_published_at":"2026-09-22T07:07:18+00:00","published_at":"2026-09-22T07:07:18+00:00","updated_at":"2026-09-24T15:48:59+00:00","match_basis":"filters"},{"piece_id":6252,"title":"Chopin - Polonaise No. 3 in F Minor - Op. 71","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":564386,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-polonaise-no-3-in-f-minor-op-71","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":564386}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:07:51+00:00","first_published_at":"2026-09-22T07:07:51+00:00","published_at":"2026-09-22T07:07:51+00:00","updated_at":"2026-09-24T15:50:26+00:00","match_basis":"filters"},{"piece_id":6241,"title":"Chopin - Prelude in C-Sharp Minor - Op. 45","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":162398,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-in-c-sharp-minor-op-45","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":162398}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:07:04+00:00","first_published_at":"2026-09-22T07:07:04+00:00","published_at":"2026-09-22T07:07:04+00:00","updated_at":"2026-09-24T15:48:31+00:00","match_basis":"filters"},{"piece_id":3370,"title":"Chopin - Prelude No. 1 - Op. 28, No. 1","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":88000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-1-op-28-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":88000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T14:33:12+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-08T15:57:09+00:00","match_basis":"filters"},{"piece_id":3358,"title":"Chopin - Prelude No. 10 - Op. 28, No. 10","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":90000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-10-op-28-no-10","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":90000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-11T17:27:53+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T22:51:25+00:00","match_basis":"filters"},{"piece_id":3359,"title":"Chopin - Prelude No. 11 - Op. 28, No. 11","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":93000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-11-op-28-no-11","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":93000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-11T18:07:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-04T02:29:51+00:00","match_basis":"filters"},{"piece_id":3360,"title":"Chopin - Prelude No. 12 - Op. 28, No. 12","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":865000,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-12-op-28-no-12","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":865000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-12T14:56:24+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:29:37+00:00","match_basis":"filters"},{"piece_id":3361,"title":"Chopin - Prelude No. 13 - Op. 28, No. 13","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":150000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-13-op-28-no-23","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":150000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-16T21:42:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:31:26+00:00","match_basis":"filters"},{"piece_id":3362,"title":"Chopin - Prelude No. 14 - Op. 28, No. 14","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":75000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-14-op-28-no-14","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":75000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-16T22:15:50+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:33:39+00:00","match_basis":"filters"},{"piece_id":2917,"title":"Chopin - Prelude No. 15 - Op. 28, No. 15 - Raindrop","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":350000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-15-op-28-no-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":350000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-06-13T17:39:26+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:35:38+00:00","match_basis":"filters"},{"piece_id":3363,"title":"Chopin - Prelude No. 16 - Op. 28, No. 16","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":1000000,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-16-op-28-no-16","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1000000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-17T16:58:36+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:37:15+00:00","match_basis":"filters"},{"piece_id":3364,"title":"Chopin - Prelude No. 17 - Op. 28, No. 17","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":250000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-17-op-28-no-17","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":250000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-18T16:28:11+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:39:06+00:00","match_basis":"filters"},{"piece_id":3365,"title":"Chopin - Prelude No. 18 - Op. 28, No. 18","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":390000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-18-op-28-no-18","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":390000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-18T17:06:22+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:40:52+00:00","match_basis":"filters"},{"piece_id":3366,"title":"Chopin - Prelude No. 19 - Op. 28, No. 19","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":440000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-19-op-28-no-19","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":440000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-18T18:31:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:42:19+00:00","match_basis":"filters"},{"piece_id":3372,"title":"Chopin - Prelude No. 2 - Op. 28, No. 2","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":40000,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-2-op-28-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":40000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T15:21:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:15:53+00:00","match_basis":"filters"},{"piece_id":3377,"title":"Chopin - Prelude No. 20 - Op. 28, No. 20","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":17000,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-20-op-28-no-20","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":17000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T17:42:17+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-05T16:08:10+00:00","match_basis":"filters"},{"piece_id":3371,"title":"Chopin - Prelude No. 21 - Op. 28, No. 21","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":400000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-21-op-28-no-21","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":400000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T14:56:17+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:43:48+00:00","match_basis":"filters"},{"piece_id":3367,"title":"Chopin - Prelude No. 22 - Op. 28, No. 22","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":480000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-22-op-28-no-22","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":480000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-19T20:30:47+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:45:33+00:00","match_basis":"filters"},{"piece_id":3368,"title":"Chopin - Prelude No. 23 - Op. 28, No. 23","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":95000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-23-op-28-no-23","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":95000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-19T21:00:09+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-01T05:36:39+00:00","match_basis":"filters"},{"piece_id":3369,"title":"Chopin - Prelude No. 24 - Op. 28, No. 24","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":980000,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-24-op-28-no-24","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":980000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-19T21:34:01+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T12:47:31+00:00","match_basis":"filters"},{"piece_id":3355,"title":"Chopin - Prelude No. 3 - Op. 28, No. 3","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":135000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-3-op-28-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":135000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-09T16:50:04+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:17:06+00:00","match_basis":"filters"},{"piece_id":3373,"title":"Chopin - Prelude No. 4 - Op. 28, No. 4","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":20200,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-4-op-28-no-4","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":20200}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T16:27:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-19T04:53:54+00:00","match_basis":"filters"},{"piece_id":3356,"title":"Chopin - Prelude No. 5 - Op. 28, No. 5","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":190000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-5-op-28-no-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":190000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-09T17:56:57+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:21:29+00:00","match_basis":"filters"},{"piece_id":3374,"title":"Chopin - Prelude No. 6 - Op. 28, No. 6","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":22500,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-6-op-28-no-6","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":22500}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T16:43:40+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:22:44+00:00","match_basis":"filters"},{"piece_id":3375,"title":"Chopin - Prelude No. 7 - Op. 28, No. 7","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":22000,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-7-op-28-no-7","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":22000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T16:57:58+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T21:00:21+00:00","match_basis":"filters"},{"piece_id":3357,"title":"Chopin - Prelude No. 8 - Op. 28, No. 8","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":800000,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-8-op-28-no-8","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":800000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-10T17:58:55+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:24:25+00:00","match_basis":"filters"},{"piece_id":3376,"title":"Chopin - Prelude No. 9 - Op. 28, No. 9","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":60000,"level":7,"canonical_url":"https://roadtovirtuosity.com/chopin-prelude-no-9-op-28-no-9","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":60000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-09-20T17:23:26+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T01:26:24+00:00","match_basis":"filters"},{"piece_id":6255,"title":"Chopin - Rondo a la mazur in F Major - Op. 5","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":871376,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-rondo-a-la-mazur-in-f-major-op-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":871376}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:08:05+00:00","first_published_at":"2026-09-22T07:08:05+00:00","published_at":"2026-09-22T07:08:05+00:00","updated_at":"2026-09-24T15:51:09+00:00","match_basis":"filters"},{"piece_id":6254,"title":"Chopin - Rondo in C Minor - Op. 1","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":975970,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-rondo-in-c-minor-op-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":975970}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:08:01+00:00","first_published_at":"2026-09-22T07:08:01+00:00","published_at":"2026-09-22T07:08:01+00:00","updated_at":"2026-09-24T15:50:48+00:00","match_basis":"filters"},{"piece_id":6257,"title":"Chopin - Rondo in E-Flat Major - Op. 16","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":1108322,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-rondo-in-e-flat-major-op-16","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1108322}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:08:46+00:00","first_published_at":"2026-09-22T07:08:46+00:00","published_at":"2026-09-22T07:08:46+00:00","updated_at":"2026-09-24T15:51:31+00:00","match_basis":"filters"},{"piece_id":6261,"title":"Chopin - Scherzo No. 1 in B Minor - Op. 20","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":2881048,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-scherzo-no-1-in-b-minor-op-20","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2881048}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:09:19+00:00","first_published_at":"2026-09-22T07:09:19+00:00","published_at":"2026-09-22T07:09:19+00:00","updated_at":"2026-09-24T15:52:13+00:00","match_basis":"filters"},{"piece_id":6262,"title":"Chopin - Scherzo No. 2 in B-Flat Minor - Op. 31","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3742168,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-scherzo-no-2-in-b-flat-minor-op-31","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3742168}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:09:39+00:00","first_published_at":"2026-09-22T07:09:39+00:00","published_at":"2026-09-22T07:09:39+00:00","updated_at":"2026-09-24T15:52:25+00:00","match_basis":"filters"},{"piece_id":6263,"title":"Chopin - Scherzo No. 3 in C-Sharp Minor - Op. 39","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":2881974,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-scherzo-no-3-in-c-sharp-minor-op-39","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2881974}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:09:47+00:00","first_published_at":"2026-09-22T07:09:47+00:00","published_at":"2026-09-22T07:09:47+00:00","updated_at":"2026-09-24T15:52:37+00:00","match_basis":"filters"},{"piece_id":6264,"title":"Chopin - Scherzo No. 4 in E Major - Op. 54","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3740139,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-scherzo-no-4-in-e-major-op-54","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3740139}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:09:57+00:00","first_published_at":"2026-09-22T07:09:57+00:00","published_at":"2026-09-22T07:09:57+00:00","updated_at":"2026-09-24T15:52:47+00:00","match_basis":"filters"},{"piece_id":6234,"title":"Chopin - Tarantelle in A-Flat Major - Op. 43","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":2120757,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-tarantelle-in-a-flat-major-op-43","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2120757}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:06:17+00:00","first_published_at":"2026-09-22T07:06:17+00:00","published_at":"2026-09-22T07:06:17+00:00","updated_at":"2026-09-24T15:47:16+00:00","match_basis":"filters"},{"piece_id":6236,"title":"Chopin - Variations brillantes in B-Flat Major - Op. 12","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":1218767,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-variations-brillantes-in-b-flat-major-op-12","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1218767}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:06:46+00:00","first_published_at":"2026-09-22T07:06:46+00:00","published_at":"2026-09-22T07:06:46+00:00","updated_at":"2026-09-24T15:47:44+00:00","match_basis":"filters"},{"piece_id":6237,"title":"Chopin - Variations on a German National Air in E Major - B. 14","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":701127,"level":9,"canonical_url":"https://roadtovirtuosity.com/chopin-variations-on-a-german-national-air-in-e-major-b-14","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":701127}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:06:51+00:00","first_published_at":"2026-09-22T07:06:51+00:00","published_at":"2026-09-22T07:06:51+00:00","updated_at":"2026-09-24T15:47:53+00:00","match_basis":"filters"},{"piece_id":6269,"title":"Chopin - Variations on La ci darem la mano in B-Flat Major - Op. 2","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":7779626,"level":10,"canonical_url":"https://roadtovirtuosity.com/chopin-variations-on-la-ci-darem-la-mano-in-b-flat-major-op-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7779626}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T07:12:05+00:00","first_published_at":"2026-09-22T07:12:05+00:00","published_at":"2026-09-22T07:12:05+00:00","updated_at":"2026-09-24T15:53:46+00:00","match_basis":"filters"},{"piece_id":6130,"title":"Chopin - Waltz in A-Flat Major - Op. 34, No. 1","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":400457,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-flat-major-op-34-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":400457}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:00:38+00:00","first_published_at":"2026-09-22T05:00:38+00:00","published_at":"2026-09-22T05:00:38+00:00","updated_at":"2026-09-24T15:31:35+00:00","match_basis":"filters"},{"piece_id":6132,"title":"Chopin - Waltz in A-Flat Major - Op. 42","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":450373,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-flat-major-op-42","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":450373}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:00:45+00:00","first_published_at":"2026-09-22T05:00:45+00:00","published_at":"2026-09-22T05:00:45+00:00","updated_at":"2026-09-24T15:56:02+00:00","match_basis":"filters"},{"piece_id":6134,"title":"Chopin - Waltz in A-Flat Major - Op. 64, No. 3","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":201120,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-flat-major-op-64-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":201120}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:00:55+00:00","first_published_at":"2026-09-22T05:00:55+00:00","published_at":"2026-09-22T05:00:55+00:00","updated_at":"2026-09-24T15:56:23+00:00","match_basis":"filters"},{"piece_id":6135,"title":"Chopin - Waltz in A-Flat Major - Op. 69, No. 1","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":155142,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-flat-major-op-69-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":155142}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:01:00+00:00","first_published_at":"2026-09-22T05:01:00+00:00","published_at":"2026-09-22T05:01:00+00:00","updated_at":"2026-09-24T15:56:33+00:00","match_basis":"filters"},{"piece_id":2815,"title":"Chopin - Waltz In A Minor - B. 150","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":23800,"level":6,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-minor-b-150","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":23800}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-05-21T15:10:43+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-16T20:58:32+00:00","match_basis":"filters"},{"piece_id":6118,"title":"Chopin - Waltz in A Minor - Op. 34, No. 2","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":204545,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-a-minor-op-34-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":204545}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T04:41:40+00:00","first_published_at":"2026-09-22T04:41:40+00:00","published_at":"2026-09-22T04:41:40+00:00","updated_at":"2026-09-24T15:17:26+00:00","match_basis":"filters"},{"piece_id":6119,"title":"Chopin - Waltz in B Minor - Op. 69, No. 2","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":167957,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-b-minor-op-69-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":167957}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T04:41:43+00:00","first_published_at":"2026-09-22T04:41:43+00:00","published_at":"2026-09-22T04:41:43+00:00","updated_at":"2026-09-24T15:54:23+00:00","match_basis":"filters"},{"piece_id":2893,"title":"Chopin - Waltz In C# Minor - Op. 64, No. 2","composer":["Chopin, Frédéric"],"composers":[{"id":96,"name":"Chopin, Frédéric"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":220000,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-c-minor-op-64-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":220000}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-06-10T17:42:24+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-07-08T21:30:56+00:00","match_basis":"filters"},{"piece_id":6133,"title":"Chopin - Waltz in D-Flat Major - Op. 64, No. 1","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":151333,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-d-flat-major-op-64-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":151333}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:00:52+00:00","first_published_at":"2026-09-22T05:00:52+00:00","published_at":"2026-09-22T05:00:52+00:00","updated_at":"2026-09-24T15:56:14+00:00","match_basis":"filters"},{"piece_id":6138,"title":"Chopin - Waltz in D-Flat Major - Op. 70, No. 3","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":202728,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-d-flat-major-op-70-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":202728}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:01:09+00:00","first_published_at":"2026-09-22T05:01:09+00:00","published_at":"2026-09-22T05:01:09+00:00","updated_at":"2026-09-24T15:57:00+00:00","match_basis":"filters"},{"piece_id":6139,"title":"Chopin - Waltz in E Minor - B. 56","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":152457,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-e-minor-b-56","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":152457}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:01:12+00:00","first_published_at":"2026-09-22T05:01:12+00:00","published_at":"2026-09-22T05:01:12+00:00","updated_at":"2026-09-24T15:32:04+00:00","match_basis":"filters"},{"piece_id":6131,"title":"Chopin - Waltz in F Major - Op. 34, No. 3","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":157182,"level":8,"canonical_url":"https://roadtovirtuosity.com/chopin-waltz-in-f-major-op-34-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":157182}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-22T05:00:42+00:00","first_published_at":"2026-09-22T05:00:42+00:00","published_at":"2026-09-22T05:00:42+00:00","updated_at":"2026-09-24T15:55:27+00:00","match_basis":"filters"}],"latest_catalog_version":34416,"source_lag_revisions":0}