{"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":{"collection_id":188,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":12,"returned":12,"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=188&page=1&snapshot=652b209e8a4c0fc1ece71e35299ddeda","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=188&page=1&snapshot=652b209e8a4c0fc1ece71e35299ddeda","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=188&page=1&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":12,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":2534,"title":"All Of Me - Level 4 BigTime Hits - pg. 32-34","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":7500,"level":5,"canonical_url":"https://roadtovirtuosity.com/all-of-me-level-4-bigtime-hits-pg-32-34","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7500}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-22T14:28:10+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T03:32:10+00:00","match_basis":"filters"},{"piece_id":2529,"title":"Firework - Level 4 BigTime Hits - pg. 16-18","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":5000,"level":4,"canonical_url":"https://roadtovirtuosity.com/firework-level-4-bigtime-hits-pg-16-18","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":5000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T02:49:06+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:08:10+00:00","match_basis":"filters"},{"piece_id":2525,"title":"Hello - Level 4 BigTime Hits - pg. 4-6","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":3500,"level":4,"canonical_url":"https://roadtovirtuosity.com/hello-level-4-bigtime-hits-pg-4-6","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3500}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T01:22:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:07:56+00:00","match_basis":"filters"},{"piece_id":2526,"title":"See You Again - Level 4 BigTime Hits - pg. 7-9","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":11000,"level":5,"canonical_url":"https://roadtovirtuosity.com/see-you-again-level-4-bigtime-hits-pg-7-9","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T01:43:32+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:08:03+00:00","match_basis":"filters"},{"piece_id":2535,"title":"Shake It Off - Level 4 BigTime Hits - pg. 35-37","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":8975,"level":5,"canonical_url":"https://roadtovirtuosity.com/shake-it-off-level-4-bigtime-hits-pg-35-37","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8975}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-22T14:39:17+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T03:33:57+00:00","match_basis":"filters"},{"piece_id":2537,"title":"Shut Up And Dance - Level 4 BigTime Hits - pg. 38-40","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":12220,"level":5,"canonical_url":"https://roadtovirtuosity.com/shut-up-and-dance-level-4-bigtime-hits-pg-38-40","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12220}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-22T14:47:53+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T03:33:16+00:00","match_basis":"filters"},{"piece_id":2531,"title":"Sorry - Level 4 BigTime Hits - pg. 22-24","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":9000,"level":5,"canonical_url":"https://roadtovirtuosity.com/sorry-level-4-bigtime-hits-pg-22-24","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T03:02:20+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:08:42+00:00","match_basis":"filters"},{"piece_id":2532,"title":"Stay With Me - Level 4 BigTime Hits - pg. 25-27","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":7000,"level":5,"canonical_url":"https://roadtovirtuosity.com/stay-with-me-level-4-bigtime-hits-pg-25-27","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-22T14:12:41+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:08:48+00:00","match_basis":"filters"},{"piece_id":2528,"title":"Sugar - Level 4 BigTime Hits - pg. 13-15","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":8000,"level":5,"canonical_url":"https://roadtovirtuosity.com/sugar-level-4-bigtime-hits-pg-13-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T02:40:21+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T03:37:06+00:00","match_basis":"filters"},{"piece_id":2533,"title":"Symphony - Level 4 BigTime Hits - pg. 28-31","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":10200,"level":5,"canonical_url":"https://roadtovirtuosity.com/symphony-level-4-bigtime-hits-pg-28-31","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":10200}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-22T14:21:00+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:09:13+00:00","match_basis":"filters"},{"piece_id":2527,"title":"What About Us - Level 4 BigTime Hits - pg. 10-12","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4500,"level":4,"canonical_url":"https://roadtovirtuosity.com/what-about-us-level-4-bigtime-hits-pg-10-12","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4500}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T02:21:17+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T03:37:28+00:00","match_basis":"filters"},{"piece_id":2530,"title":"When I Was Your Man - Level 4 BigTime Hits - pg. 19-21","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":6000,"level":5,"canonical_url":"https://roadtovirtuosity.com/when-i-was-your-man-level-4-bigtime-hits-pg-19-21","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":6000}],"collections":[{"id":188,"name":"Level 4 - BigTime Hits"}],"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":"2024-04-19T02:56:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T06:08:33+00:00","match_basis":"filters"}],"latest_catalog_version":22876,"source_lag_revisions":320}