{"copyright_id":"0xf3c776d7ba04811dd19b4def1972f2f9355754663b2690c6fef19921ab71104d","isrc":"CH6542257439","name":"15 Études de Virtuosité, Op. 72: XI. Presto e con leggierezza","registered_at":"2026-07-30T14:08:04Z","spotify_id":"6tHIDBiOnUMG88XnbrwdxT","type":"track"}