RTV PUBLIC REPERTOIRE CATALOG
Query: (all public entries)
Filters: {"piece_id":5254,"timezone":"UTC"}
Matches: 1 | Returned: 1 | Public catalog: 6493
Page 1 of 1
Next: none; end of results
Previous: none
Version: 23021 | Snapshot: 68f54b6b73cd55101ef01fb5e6d6a46b
Created: 2026-10-01T02:09:57+00:00 | Source: 2026-10-01T02:09:38+00:00 | Expires: 2026-10-02T02:09:57+00:00


{"piece_id":5254,"title":"Johann Baptist Cramer - 50 Selected Studies (Bülow), No. 23","composer":["Cramer, Johann Baptist"],"composers":[{"id":269,"name":"Cramer, Johann Baptist"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":24328,"level":6,"canonical_url":"https://roadtovirtuosity.com/johann-baptist-cramer-50-selected-studies-bulow-no-23","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":24328}],"collections":[],"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":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","description":"Closely spaced upper notes circle around a small chordal figure over sustained bass notes. The figure moves through different registers and harmonies, growing stronger around measures 40–50. It then falls back toward the middle register, softens, and ends on a held chord (mm. 51–59).","created_at":"2026-09-16T19:48:24+00:00","first_published_at":"2026-09-16T19:49:26+00:00","published_at":"2026-09-16T19:49:26+00:00","updated_at":"2026-09-16T19:49:26+00:00","match_basis":"filters"}

Full response metadata (including counts, interpretation and alternate links):
{
    "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": {
        "piece_id": 5254,
        "timezone": "UTC"
    },
    "sort": "relevance",
    "projection": "full",
    "total_matches": 1,
    "returned": 1,
    "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/pieces/5254?page=1&piece_id=5254&projection=full&snapshot=68f54b6b73cd55101ef01fb5e6d6a46b",
        "json": "https://roadtovirtuosity.com/ai/catalog/pieces/5254.json?page=1&piece_id=5254&projection=full&snapshot=68f54b6b73cd55101ef01fb5e6d6a46b",
        "text": "https://roadtovirtuosity.com/ai/catalog/pieces/5254.txt?page=1&piece_id=5254&projection=full&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."
    ],
    "publication_count_scope": "currently public entries first published during the requested interval",
    "unknown_publication_dates_before_date_filter": 0,
    "distinct_work_count": null,
    "approximate_suggestions": [],
    "message": null,
    "latest_catalog_version": 23021,
    "source_lag_revisions": 0
}