{"projection_revision":2,"snapshot":"652b209e8a4c0fc1ece71e35299ddeda","catalog_version":22556,"snapshot_created_at":"2026-09-30T18:38:17+00:00","snapshot_expires_at":"2026-10-01T18:38:17+00:00","source_changed_at":"2026-09-30T18:33:14+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"bd560689c31ffbc39f07e91b59c0f3209111e83c8f8f7c7961ed12b50477f852","source_content_sha256":"8ef34e7e97559494dcbfdfeb20bf6e77199a1520f7f34341d3035daea7353d95","total_catalog_pieces":6404,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"composer_id":2,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":985,"returned":50,"page":3,"per_page":50,"total_pages":20,"previous_page_url":"https://roadtovirtuosity.com/ai/catalog.json?composer_id=2&page=2&snapshot=652b209e8a4c0fc1ece71e35299ddeda","next_page_url":"https://roadtovirtuosity.com/ai/catalog.json?composer_id=2&page=4&snapshot=652b209e8a4c0fc1ece71e35299ddeda","end_of_results":false,"alternate_formats":{"html":"https://roadtovirtuosity.com/ai/catalog?composer_id=2&page=3&snapshot=652b209e8a4c0fc1ece71e35299ddeda","json":"https://roadtovirtuosity.com/ai/catalog.json?composer_id=2&page=3&snapshot=652b209e8a4c0fc1ece71e35299ddeda","text":"https://roadtovirtuosity.com/ai/catalog.txt?composer_id=2&page=3&snapshot=652b209e8a4c0fc1ece71e35299ddeda"},"warnings":["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.","A newer source revision exists. This response preserves the requested/captured snapshot; restart without snapshot for the latest available catalog."],"publication_count_scope":"currently public entries first published during the requested interval","unknown_publication_dates_before_date_filter":801,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":4825,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 90","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":13626,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-90","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":13626}],"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":"2026-09-15T10:17:08+00:00","first_published_at":"2026-09-15T10:17:08+00:00","published_at":"2026-09-15T10:17:08+00:00","updated_at":"2026-09-15T10:17:16+00:00","match_basis":"filters"},{"piece_id":4826,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 91","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":4780,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-91","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4780}],"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":"2026-09-15T10:18:37+00:00","first_published_at":"2026-09-15T10:18:37+00:00","published_at":"2026-09-15T10:18:37+00:00","updated_at":"2026-09-15T10:18:43+00:00","match_basis":"filters"},{"piece_id":4827,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 92","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":10930,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-92","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":10930}],"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":"2026-09-15T10:18:54+00:00","first_published_at":"2026-09-15T10:18:54+00:00","published_at":"2026-09-15T10:18:54+00:00","updated_at":"2026-09-15T10:19:00+00:00","match_basis":"filters"},{"piece_id":4828,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 93","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":33987,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-93","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":33987}],"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":"2026-09-15T10:19:52+00:00","first_published_at":"2026-09-15T10:19:52+00:00","published_at":"2026-09-15T10:19:52+00:00","updated_at":"2026-09-15T10:19:58+00:00","match_basis":"filters"},{"piece_id":4829,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 94","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":11296,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-94","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11296}],"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":"2026-09-15T10:23:19+00:00","first_published_at":"2026-09-15T10:23:19+00:00","published_at":"2026-09-15T10:23:19+00:00","updated_at":"2026-09-15T10:23:25+00:00","match_basis":"filters"},{"piece_id":4830,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 95","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":6719,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-95","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":6719}],"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":"2026-09-15T10:23:36+00:00","first_published_at":"2026-09-15T10:23:36+00:00","published_at":"2026-09-15T10:23:36+00:00","updated_at":"2026-09-15T10:23:43+00:00","match_basis":"filters"},{"piece_id":4831,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 96","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":12787,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-96","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12787}],"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":"2026-09-15T10:24:29+00:00","first_published_at":"2026-09-15T10:24:29+00:00","published_at":"2026-09-15T10:24:29+00:00","updated_at":"2026-09-15T10:24:35+00:00","match_basis":"filters"},{"piece_id":4832,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 97","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":3342,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-97","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3342}],"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":"2026-09-15T10:24:45+00:00","first_published_at":"2026-09-15T10:24:45+00:00","published_at":"2026-09-15T10:24:45+00:00","updated_at":"2026-09-15T10:24:52+00:00","match_basis":"filters"},{"piece_id":4833,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 98","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":2341,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-98","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2341}],"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":"2026-09-15T10:25:20+00:00","first_published_at":"2026-09-15T10:25:20+00:00","published_at":"2026-09-15T10:25:20+00:00","updated_at":"2026-09-15T10:25:27+00:00","match_basis":"filters"},{"piece_id":4834,"title":"Czerny - 110 Progressive Exercises - Op. 453, No. 99","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":19152,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-110-progressive-exercises-op-453-no-99","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":19152}],"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":"2026-09-15T10:25:37+00:00","first_published_at":"2026-09-15T10:25:37+00:00","published_at":"2026-09-15T10:25:37+00:00","updated_at":"2026-09-15T10:25:44+00:00","match_basis":"filters"},{"piece_id":3544,"title":"Czerny - 125 Exercises in Pasagge Playing - Op. 261, No. 1","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":2252,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-pasagge-playing-op-261-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2252}],"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":"2024-12-27T22:13:22+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:55:40+00:00","match_basis":"filters"},{"piece_id":3557,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 10","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":2252,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-10","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2252}],"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":"2025-01-02T21:20:18+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:59:21+00:00","match_basis":"filters"},{"piece_id":3687,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 100","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":6757,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-100","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":6757}],"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":"2025-02-25T00:03:10+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:56:05+00:00","match_basis":"filters"},{"piece_id":3688,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 101","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":7702,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-101","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7702}],"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":"2025-02-25T00:17:46+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:56:15+00:00","match_basis":"filters"},{"piece_id":3689,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 102","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":8105,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-102","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8105}],"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":"2025-02-25T00:48:43+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:56:25+00:00","match_basis":"filters"},{"piece_id":3691,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 103","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":19542,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-103","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":19542}],"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":"2025-02-25T19:21:06+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:56:58+00:00","match_basis":"filters"},{"piece_id":3692,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 104","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":21281,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-104","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":21281}],"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":"2025-02-25T19:39:54+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T03:59:35+00:00","match_basis":"filters"},{"piece_id":3693,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 105","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":7542,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-105","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7542}],"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":"2025-02-25T19:49:08+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:00:33+00:00","match_basis":"filters"},{"piece_id":3694,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 106","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":19290,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-106","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":19290}],"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":"2025-02-28T21:40:33+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:00:38+00:00","match_basis":"filters"},{"piece_id":3695,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 107","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":7979,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-107","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7979}],"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":"2025-02-28T21:58:29+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:00:43+00:00","match_basis":"filters"},{"piece_id":3696,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 108","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":25662,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-108","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":25662}],"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":"2025-02-28T22:14:35+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:00:48+00:00","match_basis":"filters"},{"piece_id":3697,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 109","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":4860,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-109","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4860}],"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":"2025-03-01T11:44:49+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:00:57+00:00","match_basis":"filters"},{"piece_id":3558,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 11","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":2514,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-11","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2514}],"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":"2025-01-03T13:47:55+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:59:51+00:00","match_basis":"filters"},{"piece_id":3698,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 110","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":22335,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-110","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":22335}],"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":"2025-03-01T12:02:30+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:01:12+00:00","match_basis":"filters"},{"piece_id":3699,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 111","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":8418,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-111","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8418}],"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":"2025-03-01T12:20:01+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:01:16+00:00","match_basis":"filters"},{"piece_id":3700,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 112","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":131454,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-112","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":131454}],"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":"2025-03-01T13:19:25+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:02:04+00:00","match_basis":"filters"},{"piece_id":3701,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 113","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":7542,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-113","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7542}],"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":"2025-03-01T13:28:55+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:04:05+00:00","match_basis":"filters"},{"piece_id":3702,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 114","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":82885,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-114","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":82885}],"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":"2025-03-01T13:37:45+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:05:38+00:00","match_basis":"filters"},{"piece_id":3703,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 115","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":9395,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-115","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9395}],"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":"2025-03-05T21:43:48+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:07:47+00:00","match_basis":"filters"},{"piece_id":3704,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 116","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":6757,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-116","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":6757}],"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":"2025-03-05T22:00:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:08:34+00:00","match_basis":"filters"},{"piece_id":3705,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 117","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":93109,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-117","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":93109}],"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":"2025-03-05T22:12:29+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:09:50+00:00","match_basis":"filters"},{"piece_id":3706,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 118","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":24221,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-118","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":24221}],"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":"2025-03-05T22:23:48+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:10:12+00:00","match_basis":"filters"},{"piece_id":3707,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 119","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":26647,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-119","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":26647}],"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":"2025-03-06T21:16:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:10:24+00:00","match_basis":"filters"},{"piece_id":3559,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 12","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":2514,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-12","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2514}],"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":"2025-01-03T14:07:41+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:00:00+00:00","match_basis":"filters"},{"piece_id":3708,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 120","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":24848,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-120","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":24848}],"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":"2025-03-06T21:32:29+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:10:33+00:00","match_basis":"filters"},{"piece_id":3709,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 121","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":87410,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-121","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":87410}],"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":"2025-03-06T21:52:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:12:02+00:00","match_basis":"filters"},{"piece_id":3710,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 122","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":164333,"level":8,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-122","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":164333}],"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":"2025-03-07T00:54:24+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:12:22+00:00","match_basis":"filters"},{"piece_id":3711,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 123","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":134729,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-123","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":134729}],"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":"2025-03-07T01:44:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:12:31+00:00","match_basis":"filters"},{"piece_id":3712,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 124","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":54311,"level":7,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-124","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":54311}],"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":"2025-03-07T01:52:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T04:12:41+00:00","match_basis":"filters"},{"piece_id":3713,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 125","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":21840,"level":6,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-125","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":21840}],"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":"2025-03-07T01:59:34+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T08:51:17+00:00","match_basis":"filters"},{"piece_id":3560,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 13","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":9395,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-13","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9395}],"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":"2025-01-03T14:27:17+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:01:19+00:00","match_basis":"filters"},{"piece_id":3561,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 14","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":1165,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-14","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1165}],"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":"2025-01-03T14:45:43+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:01:29+00:00","match_basis":"filters"},{"piece_id":3562,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 15","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":1300,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1300}],"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":"2025-01-03T15:19:30+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:02:00+00:00","match_basis":"filters"},{"piece_id":3563,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 16","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":13063,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-16","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":13063}],"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":"2025-01-03T15:45:40+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:02:10+00:00","match_basis":"filters"},{"piece_id":3564,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 17","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":7875,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-17","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7875}],"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":"2025-01-03T15:54:56+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:02:54+00:00","match_basis":"filters"},{"piece_id":3565,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 18","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":1044,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-18","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1044}],"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":"2025-01-03T16:15:16+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:03:04+00:00","match_basis":"filters"},{"piece_id":3566,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 19","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":3901,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-19","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3901}],"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":"2025-01-03T16:25:28+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:03:38+00:00","match_basis":"filters"},{"piece_id":3545,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 2","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":2252,"level":3,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2252}],"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":"2024-12-27T22:28:48+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:55:52+00:00","match_basis":"filters"},{"piece_id":3567,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 20","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":3901,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-20","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3901}],"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":"2025-01-06T15:12:13+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:03:47+00:00","match_basis":"filters"},{"piece_id":3568,"title":"Czerny - 125 Exercises in Passage Playing - Op. 261, No. 21","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":5424,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-125-exercises-in-passage-playing-op-261-no-21","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":5424}],"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":"2025-01-06T15:26:29+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:04:28+00:00","match_basis":"filters"}],"latest_catalog_version":22876,"source_lag_revisions":320}