{"copyright_id":"0x3fe6818cd469f3e8b453b2bb72dc8274ca3d8ed4a8e91b78d29d2e5ffe76c54e","isrc":"FRZ141322051","name":"String Quartet No. 16 in E Flat Major, K.428/421b: I. Allegro non troppo","registered_at":"2026-07-29T23:23:59Z","spotify_id":"7yHXf6cWVGSDPzMcxooCkm","type":"track"}