{"copyright_id":"0x711bf6a1ea566a07c436519902814c1163701e694fb0bffe64bc156da4d69729","isrc":"GBBBA0942916","name":"Der Rosenkavalier, Op. 59 / Act 2: Introduction - \"Ein ernster Tag\"","registered_at":"2026-07-29T15:59:20Z","spotify_id":"4SYePd7yv9ZtEL6hxGcQtA","type":"track"}