{"projection_revision":2,"snapshot":"68f54b6b73cd55101ef01fb5e6d6a46b","catalog_version":23021,"snapshot_created_at":"2026-10-01T02:09:57+00:00","snapshot_expires_at":"2026-10-02T02:09:57+00:00","source_changed_at":"2026-10-01T02:09:38+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"f273c912a4846e0b17d5f83c070d82270aeeaabbb0d76ca831163ba182e4ad88","source_content_sha256":"ea0602537280d767f49b96e9d2afc415b2692d275b24efd81c1ecbff3b16119c","total_catalog_pieces":6493,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"collection_id":26,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":8,"returned":8,"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=26&page=1&snapshot=68f54b6b73cd55101ef01fb5e6d6a46b","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=26&page=1&snapshot=68f54b6b73cd55101ef01fb5e6d6a46b","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=26&page=1&snapshot=68f54b6b73cd55101ef01fb5e6d6a46b"},"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":8,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":28,"title":"Canoeing Upstream - Primer Technique & Artistry - pg. 27","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/canoeing-upstream","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T05:57:08+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T15:33:40+00:00","match_basis":"filters"},{"piece_id":26,"title":"Catch Me If You Can! - Primer Technique & Artistry - pg. 21","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":3,"level":0,"canonical_url":"https://roadtovirtuosity.com/catch-me-if-you-can","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T05:53:38+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-21T21:14:52+00:00","match_basis":"filters"},{"piece_id":25,"title":"Dance Band Drummer - Primer Technique & Artistry - pg. 18","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":1,"level":0,"canonical_url":"https://roadtovirtuosity.com/dance-band-drummer","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T05:51:38+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-22T04:53:40+00:00","match_basis":"filters"},{"piece_id":32,"title":"Leading the Parade - Primer Technique & Artistry - 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":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/8-leading-the-parade","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T06:05:21+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-21T21:18:44+00:00","match_basis":"filters"},{"piece_id":30,"title":"Our Team Scores Again! - Primer Technique & Artistry - pg. 30","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/6-our-team-scores-again","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T06:00:42+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T01:34:33+00:00","match_basis":"filters"},{"piece_id":29,"title":"Peaceful Sunset - Primer Technique & Artistry - 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":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/peaceful-sunset","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T05:58:44+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-21T21:17:03+00:00","match_basis":"filters"},{"piece_id":31,"title":"What the Queen Told the King... - Primer Technique & Artistry - pg. 31","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":2,"level":0,"canonical_url":"https://roadtovirtuosity.com/7-what-the-queen-told-the-king","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T06:03:47+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-21T21:17:50+00:00","match_basis":"filters"},{"piece_id":27,"title":"Wheels Going 'Round - Primer Technique & Artistry - pg. 24-25","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4,"level":0,"canonical_url":"https://roadtovirtuosity.com/3-wheels-going-round","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4}],"collections":[{"id":26,"name":"Primer - Technique and Artistry"}],"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":"2023-07-28T05:54:43+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-21T21:15:32+00:00","match_basis":"filters"}],"latest_catalog_version":23311,"source_lag_revisions":290}