{"projection_revision":2,"snapshot":"b74778db4eb86886bf2a2888634fb96c","catalog_version":23356,"snapshot_created_at":"2026-10-01T10:50:41+00:00","snapshot_expires_at":"2026-10-02T10:50:41+00:00","source_changed_at":"2026-10-01T10:49:28+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"5c248e39144e07fbe53310a1468b220806b0062f8345033a16ab0720c793cc1e","source_content_sha256":"94e11b0636bb192bc29575e96afc0a2f9a1ddfd7b00fd2baebb41c656e61a37c","total_catalog_pieces":6525,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"collection_id":150,"timezone":"UTC"},"sort":"relevance","projection":"compact","total_matches":10,"returned":10,"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=150&page=1&snapshot=b74778db4eb86886bf2a2888634fb96c","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=150&page=1&snapshot=b74778db4eb86886bf2a2888634fb96c","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=150&page=1&snapshot=b74778db4eb86886bf2a2888634fb96c"},"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":10,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":1846,"title":"Brave - Level 2b ChordTime Hits - pg. 6-7","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":160,"level":1,"canonical_url":"https://roadtovirtuosity.com/brave-chordtime-hits-pg-6-7","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":160}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T21:48:29+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:03:06+00:00","match_basis":"filters"},{"piece_id":1854,"title":"High Hopes - Level 2b ChordTime 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":548,"level":2,"canonical_url":"https://roadtovirtuosity.com/high-hopes-chordtime-hits-pg-28-31","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":548}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T22:09:00+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T08:08:36+00:00","match_basis":"filters"},{"piece_id":1853,"title":"Like I'm Gonna Lose You - Level 2b ChordTime 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":300,"level":2,"canonical_url":"https://roadtovirtuosity.com/like-im-gonna-lose-you-level-2b-chordtime-hits-pg-25-27","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":300}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T22:07:26+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-20T02:36:12+00:00","match_basis":"filters"},{"piece_id":1847,"title":"Meant To Be - Level 2b ChordTime Hits - 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":300,"level":2,"canonical_url":"https://roadtovirtuosity.com/meant-to-be-chordtime-hits-pg-8-9","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":300}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T21:50:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:03:48+00:00","match_basis":"filters"},{"piece_id":1848,"title":"Perfect - Level 2b ChordTime Hits - pg. 10-13","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":412,"level":2,"canonical_url":"https://roadtovirtuosity.com/perfect-chordtime-hits-pg-10-13","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":412}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T21:52:23+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:04:25+00:00","match_basis":"filters"},{"piece_id":1852,"title":"Rather Be - Level 2b ChordTime 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":325,"level":2,"canonical_url":"https://roadtovirtuosity.com/rather-be-level-2b-chordtime-hits-pg-22-24","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":325}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T22:05:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:06:40+00:00","match_basis":"filters"},{"piece_id":1845,"title":"The Middle - Level 2b ChordTime Hits - pg. 4-5","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":268,"level":2,"canonical_url":"https://roadtovirtuosity.com/the-middle-chordtime-hits-pg-4-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":268}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T21:46:47+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:02:25+00:00","match_basis":"filters"},{"piece_id":1850,"title":"This Is Me - Level 2b ChordTime Hits - pg. 17-19","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":336,"level":2,"canonical_url":"https://roadtovirtuosity.com/this-is-me-level-2b-chordtime-hits-pg-17-19","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":336}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T22:01:05+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:05:28+00:00","match_basis":"filters"},{"piece_id":1851,"title":"Thunder - Level 2b ChordTime Hits - pg. 20-21","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":290,"level":2,"canonical_url":"https://roadtovirtuosity.com/thunder-level-2b-chordtime-hits-pg-20-21","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":290}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T22:03:40+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:06:02+00:00","match_basis":"filters"},{"piece_id":1849,"title":"Try Everything - Level 2b ChordTime Hits - pg. 14-16","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Pop Music","genre_id":10,"is_archive_only":false,"evaluation_eligible":true,"points":258,"level":2,"canonical_url":"https://roadtovirtuosity.com/try-everything-level-2b-chordtime-hits-pg-14-16","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":258}],"collections":[{"id":150,"name":"Level 2b - Chordtime 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":"2024-02-07T21:59:23+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-26T15:04:58+00:00","match_basis":"filters"}],"latest_catalog_version":23421,"source_lag_revisions":65}