{"copyright_id":"0xbc8a968256ffcc9379e747b6e40198f92064dd60ab36b8e1065c97dc71fea0c0","isrc":"GBAHT1000267","name":"Blumenfeld : Etude for the Left Hand in A flat major Op.36","registered_at":"2026-06-21T22:11:30Z","spotify_id":"6p1zvNgTLyvlVfoEBlIxAg","type":"track"}