{"copyright_id":"0xba6bbb8b78959752eeede42da0f8358d4e8cc674f935529b23f5de3ac8f58d98","isrc":"GBLLH1230804","name":"Piano Sonata No.21 in C major (Waldstein), Op.53: ii. Introduzione (Adagio molto)","registered_at":"2026-07-07T07:04:17Z","spotify_id":"75EkwZM3aU4pgyANbmG0tG","type":"track"}