{"copyright_id":"0x5ec92b8ca653d89b09359c5163307b268e8d4e430189523c382ea3208d205c77","isrc":"QMDA61377881","name":"Piano Sonata in B-Flat Major, Op. 9 No. 1: II. Rondo - Allegretto grazioso","registered_at":"2026-07-07T17:19:03Z","spotify_id":"6jqwfgFndloiUZDJKB2tiS","type":"track"}