{"copyright_id":"0x210e37bae448c56b402a0b5e71ed86fde29fe76bc7d255c58496aa153210d860","isrc":"DEE472200196","name":"Serenade No. 7 in D Major, K. 250/K. 248b \"Haffner\": I. Allegro maestoso","registered_at":"2026-07-31T16:18:13Z","spotify_id":"4PKhHQq9cqBpSv33qxeByj","type":"track"}