{"copyright_id":"0x4d4a40b74b89f651613d34943e7e935197246dca748726044f697403e144612d","isrc":"HKI191209011","name":"Piano Sonata in B-Flat Minor: II. Elegie","registered_at":"2026-07-31T06:45:31Z","spotify_id":"7lwfEL71TLdy5fRjQk70R9","type":"track"}