RTV PUBLIC REPERTOIRE CATALOG
Query: (all public entries)
Filters: {"piece_id":5142,"timezone":"UTC"}
Matches: 1 | Returned: 1 | Public catalog: 6516
Page 1 of 1
Next: none; end of results
Previous: none
Version: 23311 | Snapshot: 77c1bf02b407c77b16aa092de0932331
Created: 2026-10-01T09:52:11+00:00 | Source: 2026-10-01T09:51:09+00:00 | Expires: 2026-10-02T09:52:11+00:00


{"piece_id":5142,"title":"Moritz Moszkowski - 15 Études de Virtuosité, Op. 72 No. 1 in E major","composer":["Moszkowski, Moritz"],"composers":[{"id":266,"name":"Moszkowski, Moritz"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":805361,"level":9,"canonical_url":"https://roadtovirtuosity.com/moritz-moszkowski-15-etudes-de-virtuosite-op-72-no-1-in-e-major","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":805361}],"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":"Measures 1–48 carry a continuous sixteenth-note line through the upper register above alternating bass notes and chords. Measures 49–64 transfer the rapid line to the lower part beneath detached chordal figures, and measures 65–68 bring fast motion into both parts. The opening disposition returns at measure 69, while the a Tempo at measure 88 develops interlocking two-hand patterns. Measures 102–107 close with a sweeping descent and a sequence of widely spaced chords.","created_at":"2026-09-16T05:14:16+00:00","first_published_at":"2026-09-16T05:14:44+00:00","published_at":"2026-09-16T05:14:44+00:00","updated_at":"2026-09-16T05:14:44+00:00","match_basis":"filters"}

Full response metadata (including counts, interpretation and alternate links):
{
    "projection_revision": 2,
    "snapshot": "77c1bf02b407c77b16aa092de0932331",
    "catalog_version": 23311,
    "snapshot_created_at": "2026-10-01T09:52:11+00:00",
    "snapshot_expires_at": "2026-10-02T09:52:11+00:00",
    "source_changed_at": "2026-10-01T09:51:09+00:00",
    "freshness_behavior": "materialized on first request after a committed source change; database triggers cover row writes and relationship writes",
    "source_id_sha256": "8f28a272f09960c92790bd2ad6b7bbf5651939f3cddfb27cb926048559e5eddd",
    "source_content_sha256": "a32c63d141463ead2c83d6005e43e8ba55d6f44d80b795958ed619270369c545",
    "total_catalog_pieces": 6516,
    "schema_version": "2.0",
    "query": "",
    "normalized_query": "",
    "resolved_filters": {
        "piece_id": 5142,
        "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/5142?page=1&piece_id=5142&projection=full&snapshot=77c1bf02b407c77b16aa092de0932331",
        "json": "https://roadtovirtuosity.com/ai/catalog/pieces/5142.json?page=1&piece_id=5142&projection=full&snapshot=77c1bf02b407c77b16aa092de0932331",
        "text": "https://roadtovirtuosity.com/ai/catalog/pieces/5142.txt?page=1&piece_id=5142&projection=full&snapshot=77c1bf02b407c77b16aa092de0932331"
    },
    "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": 23311,
    "source_lag_revisions": 0
}