{"copyright_id":"0xa0ee5a6bcffe425ca58024da3acb1c4083c693b9b540d06837fd11e1c3baa41e","isrc":"USB8U1612645","name":"Sonata for Piano 4 Hands in C Major, K. 521: I. Allegro","registered_at":"2026-07-31T05:53:00Z","spotify_id":"0URwgDaHhJ612nVZiPn5CF","type":"track"}