{"projection_revision":2,"snapshot":"facf137b0691d99ac9955a6dd7e22280","catalog_version":23031,"snapshot_created_at":"2026-10-01T04:39:18+00:00","snapshot_expires_at":"2026-10-02T04:39:18+00:00","source_changed_at":"2026-10-01T04:28:34+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"585e4b233d6ac68ab85d08853b482816b328d22cf0ca860c40eb41528a187ade","source_content_sha256":"be0bb5aabff9c9a8c4506547d8263b8cec68d47976158a8e53c1d7e76aad0f33","total_catalog_pieces":6494,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"collection_id":126,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":62,"returned":12,"page":2,"per_page":50,"total_pages":2,"previous_page_url":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=126&page=1&snapshot=facf137b0691d99ac9955a6dd7e22280","next_page_url":null,"end_of_results":true,"alternate_formats":{"html":"https://roadtovirtuosity.com/ai/catalog?collection_id=126&page=2&snapshot=facf137b0691d99ac9955a6dd7e22280","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=126&page=2&snapshot=facf137b0691d99ac9955a6dd7e22280","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=126&page=2&snapshot=facf137b0691d99ac9955a6dd7e22280"},"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":44,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":6495,"title":"Up On The Housetop - Intermediate Piano Arrangement No. 5","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":348,"level":2,"canonical_url":"https://roadtovirtuosity.com/up-on-the-housetop-intermediate-piano-arrangement-no-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":348}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2026-09-28T16:43:29+00:00","first_published_at":"2026-09-28T16:43:29+00:00","published_at":"2026-09-28T16:43:29+00:00","updated_at":"2026-09-29T15:47:36+00:00","match_basis":"filters"},{"piece_id":3449,"title":"Up On The Housetop - Intermediate Piano Arrangement No. 6","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":2100,"level":3,"canonical_url":"https://roadtovirtuosity.com/up-on-the-housetop-intermediate-piano-arrangement-no-6","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":2100}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2024-11-07T18:27:20+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-08-11T21:14:44+00:00","match_basis":"filters"},{"piece_id":3516,"title":"We Three Kings - Intermediate Piano Arrangement No. 6","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Sacred","genre_id":9,"is_archive_only":false,"evaluation_eligible":true,"points":10550,"level":5,"canonical_url":"https://roadtovirtuosity.com/we-three-kings-intermediate-piano-arrangement-no-6","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":10550}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2024-12-09T02:51:14+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-13T15:00:20+00:00","match_basis":"filters"},{"piece_id":6181,"title":"We Wish You a Merry Christmas - Bock's Best Volume III - pg. 52","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"points":4063,"level":4,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-bocks-best-volume-iii-pg-52","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4063}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2026-09-22T06:37:37+00:00","first_published_at":"2026-09-22T06:37:37+00:00","published_at":"2026-09-22T06:37:37+00:00","updated_at":"2026-09-22T06:45:59+00:00","match_basis":"filters"},{"piece_id":6496,"title":"We Wish You a Merry Christmas - Intermediate Piano Arrangement No. 1","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":326,"level":2,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-intermediate-piano-arrangement-no-1","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":326}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2026-09-28T16:47:29+00:00","first_published_at":"2026-09-28T16:47:29+00:00","published_at":"2026-09-28T16:47:29+00:00","updated_at":"2026-09-29T15:48:01+00:00","match_basis":"filters"},{"piece_id":1446,"title":"We Wish You a Merry Christmas - Intermediate Piano Arrangement No. 2","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":3200,"level":4,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-intermediate-piano-arrangement-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3200}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:00:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T21:13:54+00:00","match_basis":"filters"},{"piece_id":1447,"title":"We Wish You a Merry Christmas - Intermediate Piano Arrangement No. 3","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":7655,"level":5,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-intermediate-piano-arrangement-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":7655}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:00:44+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T21:15:52+00:00","match_basis":"filters"},{"piece_id":1448,"title":"We Wish You a Merry Christmas - Intermediate Piano Arrangement No. 4","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":8768,"level":5,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-intermediate-piano-arrangement-no-4","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8768}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:01:16+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T21:19:37+00:00","match_basis":"filters"},{"piece_id":3452,"title":"We Wish You a Merry Christmas - Intermediate Piano Arrangement No. 5","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":3450,"level":4,"canonical_url":"https://roadtovirtuosity.com/we-wish-you-a-merry-christmas-intermediate-piano-arrangement-no-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3450}],"collections":[{"id":126,"name":"Christmas Popular"}],"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":"2024-11-08T14:48:55+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-10T17:52:53+00:00","match_basis":"filters"},{"piece_id":1449,"title":"What Child Is This? - Intermediate Piano Arrangement No. 2","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Sacred","genre_id":9,"is_archive_only":false,"evaluation_eligible":true,"points":9200,"level":5,"canonical_url":"https://roadtovirtuosity.com/what-child-is-this-intermediate-piano-arrangement-no-2","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9200}],"collections":[{"id":62,"name":"Hymns"},{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:04:28+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T21:05:36+00:00","match_basis":"filters"},{"piece_id":1450,"title":"What Child Is This? - Intermediate Piano Arrangement No. 3","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Sacred","genre_id":9,"is_archive_only":false,"evaluation_eligible":true,"points":9960,"level":5,"canonical_url":"https://roadtovirtuosity.com/what-child-is-this-intermediate-piano-arrangement-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9960}],"collections":[{"id":62,"name":"Hymns"},{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:04:48+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T18:09:21+00:00","match_basis":"filters"},{"piece_id":1451,"title":"What Child Is This? - Intermediate Piano Arrangement No. 4","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Sacred","genre_id":9,"is_archive_only":false,"evaluation_eligible":true,"points":11690,"level":5,"canonical_url":"https://roadtovirtuosity.com/what-child-is-this-intermediate-piano-arrangement-no-4","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11690}],"collections":[{"id":62,"name":"Hymns"},{"id":126,"name":"Christmas Popular"}],"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":"2023-11-17T16:05:20+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-22T16:52:28+00:00","match_basis":"filters"}],"latest_catalog_version":23351,"source_lag_revisions":320}