{"copyright_id":"0x5b663f93df10dfb6a26390be9908ba67f172f471003a987862ccfcd04ebbffa0","isrc":"DEA809301103","name":"Mozart: Sonata for Piano 4-Hands in C Major, K. 521: III. Allegretto","registered_at":"2026-07-31T04:30:00Z","spotify_id":"4XxAWQM5lEzWqX5q306f7m","type":"track"}