{"copyright_id":"0x8c220c1fb3550c9a3f49c7f37eb18243edd5e1dc1a42966148c86b212d808d99","isrc":"AUFFF1800120","name":"3 poetické polky, Op. 8: No. 1 in E-Flat Major, Polka","registered_at":"2026-07-31T10:22:11Z","spotify_id":"2bWFtQbRnAOdZZQfDv0AN6","type":"track"}