{"copyright_id":"0x6f624d4fbb8e001ae72b8ebbddc4faf9fc51a652ed06a3dd5412d08e1d68e995","isrc":"HKI192402630","name":"Mazurkas, Op. 6, B. 60: No. 3 in E Major","registered_at":"2026-07-07T20:13:23Z","spotify_id":"76OPmj3A1yJaWnDtMVcsRI","type":"track"}