{"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":32,"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=32&page=1&snapshot=3f8599a676f2072f19df69b38ffa5ab3","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=32&page=1&snapshot=3f8599a676f2072f19df69b38ffa5ab3","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=32&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":12,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":99,"title":"Alouette - Pretime Favorites - pg. 14-15","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/9-alouette","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:43:40+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:27+00:00","match_basis":"filters"},{"piece_id":96,"title":"Baa! Baa! Black Sheep - Pretime Favorites - pg. 10-11","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/6-baa-baa-black-sheep","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:42:42+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:25+00:00","match_basis":"filters"},{"piece_id":95,"title":"Eensie Weensie Spider - Pretime Favorites - pg. 8-9","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/5-eensie-weensie-spider","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:42:26+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:24+00:00","match_basis":"filters"},{"piece_id":98,"title":"Hush, Little Baby - Pretime Favorites - pg. 13","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/8-hush-little-baby","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:43:20+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-07-01T02:53:34+00:00","match_basis":"filters"},{"piece_id":93,"title":"London Bridge - Pretime Favorites - pg. 6","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/3-london-bridge","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:41:44+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:22+00:00","match_basis":"filters"},{"piece_id":97,"title":"On the Bridge - Pretime Favorites - pg. 12","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":3,"level":0,"canonical_url":"https://roadtovirtuosity.com/7-on-the-bridge","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:43:01+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-07-01T02:50:10+00:00","match_basis":"filters"},{"piece_id":101,"title":"Pop! Goes the Weasel - Pretime Favorites - pg. 18-19","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/11-pop-goes-the-weasel","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:44:26+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:28+00:00","match_basis":"filters"},{"piece_id":102,"title":"Row, Row, Row your Boat - Pretime Favorites - pg. 20","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":3,"level":0,"canonical_url":"https://roadtovirtuosity.com/12-row-row-row-your-boat","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:46:22+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:29+00:00","match_basis":"filters"},{"piece_id":100,"title":"Shoo, Fly - Pretime Favorites - pg. 16-17","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/10-shoo-fly","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:44:01+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:28+00:00","match_basis":"filters"},{"piece_id":92,"title":"The Muffin Man - Pretime Favorites - pg. 5","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/2-the-muffin-man","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:41:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:22+00:00","match_basis":"filters"},{"piece_id":94,"title":"The Wheels on the Bus - Pretime Favorites - pg. 7","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/4-the-wheels-on-the-bus","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:42:04+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:23+00:00","match_basis":"filters"},{"piece_id":91,"title":"Yankee Doodle - Pretime Favorites - pg. 4","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/1-yankee-doodle","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":32,"name":"Primer - PreTime Favorites"}],"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":"2023-07-28T08:41:11+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:35:21+00:00","match_basis":"filters"}],"latest_catalog_version":23391,"source_lag_revisions":189}