{"copyright_id":"0x3b861515985bf71c831807b41a357fdd7d71e5bd3dc5d5acf2028fbc965fd4ae","isrc":"USDY41983733","name":"Practical Vocal Method: Lesson IX the Mordent in B-Flat Major","registered_at":"2026-07-07T17:54:39Z","spotify_id":"4mdfpHfsBKnorF8Pxo5srd","type":"track"}