{"copyright_id":"0x4875ad61886f1d8b565a2d661aba163a3b91028c9f040e4831483ecddfe45922","isrc":"HKI190834209","name":"Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 9 in E-Flat Major","registered_at":"2026-07-30T23:45:29Z","spotify_id":"50WHcke3XVbP08GWL1MuJm","type":"track"}