{"copyright_id":"0x3a17228acfb19bcb7f33fad0c07690278ac4c05f49148eb9ddb66cd1e07f5399","isrc":"DEF056604110","name":"Kaiserwalzer, Op. 437 - Recorded 1966","registered_at":"2026-07-31T10:38:10Z","spotify_id":"2BqiCTmxtyuzj6stFsmSUA","type":"track"}