{"projection_revision":2,"snapshot":"3f8599a676f2072f19df69b38ffa5ab3","catalog_version":23202,"snapshot_created_at":"2026-10-01T05:17:10+00:00","snapshot_expires_at":"2026-10-02T05:17:10+00:00","source_changed_at":"2026-10-01T05:14:36+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"333ef951d255346ebc954089de7eba6f57e7f72e7716598cd3b3275c1b2c7ef6","source_content_sha256":"1198c476e224ec20c654af172ece937ad72612d290faada6d37eea8cadd0ae21","total_catalog_pieces":6495,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"collection_id":230,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":11,"returned":11,"page":1,"per_page":50,"total_pages":1,"previous_page_url":null,"next_page_url":null,"end_of_results":true,"alternate_formats":{"html":"https://roadtovirtuosity.com/ai/catalog?collection_id=230&page=1&snapshot=3f8599a676f2072f19df69b38ffa5ab3","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=230&page=1&snapshot=3f8599a676f2072f19df69b38ffa5ab3","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=230&page=1&snapshot=3f8599a676f2072f19df69b38ffa5ab3"},"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":11,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":4608,"title":"Champagne Rag - Level 4 BigTime Ragtime and Marches - pg. 16","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":5795,"level":4,"canonical_url":"https://roadtovirtuosity.com/champagne-rag-level-4-bigtime-ragtime-and-marches-pg-16","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":5795}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:29:43+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:30:10+00:00","match_basis":"filters"},{"piece_id":4609,"title":"Chatterbox Rag - Level 4 BigTime Ragtime and Marches - pg. 19","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":5514,"level":4,"canonical_url":"https://roadtovirtuosity.com/chatterbox-rag-level-4-bigtime-ragtime-and-marches-pg-19","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":5514}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:31:20+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:31:48+00:00","match_basis":"filters"},{"piece_id":4604,"title":"Dill Pickles Rag - Level 4 BigTime Ragtime and Marches - pg. 4","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4999,"level":4,"canonical_url":"https://roadtovirtuosity.com/dill-pickles-rag-level-4-bigtime-ragtime-and-marches-pg-4","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4999}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:26:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:26:54+00:00","match_basis":"filters"},{"piece_id":4610,"title":"Entrance of the Gladiators - Level 4 BigTime Ragtime and Marches - pg. 22","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4935,"level":4,"canonical_url":"https://roadtovirtuosity.com/entrance-of-the-gladiators-level-4-bigtime-ragtime-and-marches-pg-22","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4935}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:32:39+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:33:21+00:00","match_basis":"filters"},{"piece_id":4605,"title":"Funeral March of a Marionette - Level 4 BigTime Ragtime and Marches - pg. 7","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":2343,"level":3,"canonical_url":"https://roadtovirtuosity.com/funeral-march-of-a-marionette-level-4-bigtime-ragtime-and-marches-pg-7","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2343}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:27:13+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:27:37+00:00","match_basis":"filters"},{"piece_id":4612,"title":"March of the Toys - Level 4 BigTime Ragtime and Marches - pg. 29","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":2938,"level":4,"canonical_url":"https://roadtovirtuosity.com/march-of-the-toys-level-4-bigtime-ragtime-and-marches-pg-29","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2938}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:34:32+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:35:02+00:00","match_basis":"filters"},{"piece_id":4613,"title":"Solace - Level 4 BigTime Ragtime and Marches - pg. 32","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":6009,"level":5,"canonical_url":"https://roadtovirtuosity.com/solace-level-4-bigtime-ragtime-and-marches-pg-32","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":6009}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:35:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:35:52+00:00","match_basis":"filters"},{"piece_id":4606,"title":"The Entertainer - Level 4 BigTime Ragtime and Marches - pg. 10","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":8633,"level":5,"canonical_url":"https://roadtovirtuosity.com/the-entertainer-level-4-bigtime-ragtime-and-marches-pg-10","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8633}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:27:59+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:28:26+00:00","match_basis":"filters"},{"piece_id":4607,"title":"The Yankee Doodle Boy - Level 4 BigTime Ragtime and Marches - pg. 14","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":3019,"level":4,"canonical_url":"https://roadtovirtuosity.com/the-yankee-doodle-boy-level-4-bigtime-ragtime-and-marches-pg-14","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3019}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:28:52+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:29:16+00:00","match_basis":"filters"},{"piece_id":4614,"title":"Washington Post March - Level 4 BigTime Ragtime and Marches - pg. 36","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4622,"level":4,"canonical_url":"https://roadtovirtuosity.com/washington-post-march-level-4-bigtime-ragtime-and-marches-pg-36","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4622}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:36:14+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:36:43+00:00","match_basis":"filters"},{"piece_id":4611,"title":"Wild Cherries Rag - Level 4 BigTime Ragtime and Marches - pg. 26","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":5989,"level":4,"canonical_url":"https://roadtovirtuosity.com/wild-cherries-rag-level-4-bigtime-ragtime-and-marches-pg-26","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":5989}],"collections":[{"id":230,"name":"Level 4  - BigTime Ragtime"}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2026-09-12T18:33:38+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T18:34:10+00:00","match_basis":"filters"}],"latest_catalog_version":23316,"source_lag_revisions":114}