{"copyright_id":"0x08c44f9884f1652cafd88176af6be8a1b6ef1d138238c2530afbf03ec58ca966","isrc":"FR50X2073701","name":"Duo for Violin and Violoncello, Op. 7: I. Allegro serioso, non troppo","registered_at":"2026-07-30T18:15:04Z","spotify_id":"6HVV95GTAmFo6gVFPV0bpI","type":"track"}