{"copyright_id":"0x0aa7dbf0bf382ab64f44d7a5fa206c84ce18951d7325e9fcda1b291f04dd8930","isrc":"DEF059703262","name":"Piano Sonata No. 21 in C Major, Op. 53 - \"Waldstein\": II. Introduzione (Adagio molto) - Live","registered_at":"2026-07-07T06:51:50Z","spotify_id":"1L8kh5AU1zS8JRIaKT2wtQ","type":"track"}