{"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":66,"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=66&page=1&snapshot=652b209e8a4c0fc1ece71e35299ddeda","json":"https://roadtovirtuosity.com/ai/catalog.json?collection_id=66&page=1&snapshot=652b209e8a4c0fc1ece71e35299ddeda","text":"https://roadtovirtuosity.com/ai/catalog.txt?collection_id=66&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":529,"title":"Major Five Finger Pattern + 2 Whole Steps And Tonic - Hands Together","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":380,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-and-tonic-hands-together","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":380}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T14:56:51+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:37:59+00:00","match_basis":"filters"},{"piece_id":528,"title":"Major Five Finger Pattern + 2 Whole Steps And Tonic - Left Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":280,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-and-tonic-left-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":280}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T14:47:00+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:37:21+00:00","match_basis":"filters"},{"piece_id":527,"title":"Major Five Finger Pattern + 2 Whole Steps And Tonic - Right Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":280,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-and-tonic-right-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":280}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T14:44:01+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:36:38+00:00","match_basis":"filters"},{"piece_id":526,"title":"Major Five Finger Pattern + 2 Whole Steps - Hands Together","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":320,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-hands-together","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":320}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T13:48:11+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:35:20+00:00","match_basis":"filters"},{"piece_id":525,"title":"Major Five Finger Pattern + 2 Whole Steps - Left Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":220,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-left-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":220}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T13:40:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:34:04+00:00","match_basis":"filters"},{"piece_id":524,"title":"Major Five Finger Pattern + 2 Whole Steps - Right Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":220,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-2-whole-steps-right-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":220}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T13:35:12+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:32:37+00:00","match_basis":"filters"},{"piece_id":512,"title":"Major Five Finger Pattern + Whole Step - Hands Together","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":260,"level":2,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-whole-step-hands-together","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":260}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T12:14:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:31:04+00:00","match_basis":"filters"},{"piece_id":1599,"title":"Major Five Finger Pattern + Whole Step - Left Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":150,"level":1,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-whole-step-left-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":150}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-12-03T22:59:37+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:57:24+00:00","match_basis":"filters"},{"piece_id":507,"title":"Major Five Finger Pattern + Whole Step - Right Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":150,"level":1,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-pattern-whole-step-right-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":150}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T12:01:57+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:29:48+00:00","match_basis":"filters"},{"piece_id":503,"title":"Major Five Finger Patterns - Hands Together","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":195,"level":1,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-patterns-hands-together","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":195}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T10:48:34+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:27:59+00:00","match_basis":"filters"},{"piece_id":502,"title":"Major Five Finger Patterns - Left Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":100,"level":1,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-patterns-left-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":100}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T10:45:33+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-28T02:26:53+00:00","match_basis":"filters"},{"piece_id":501,"title":"Major Five Finger Patterns - Right Hand Alone","composer":[],"composers":[],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Technique","genre_id":5,"is_archive_only":false,"evaluation_eligible":true,"points":100,"level":1,"canonical_url":"https://roadtovirtuosity.com/major-five-finger-patterns-right-hand-alone","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":100}],"collections":[{"id":66,"name":"Five Finger Patterns"}],"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":"2023-08-11T10:40:41+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-08T15:27:54+00:00","match_basis":"filters"}],"latest_catalog_version":22626,"source_lag_revisions":70}