{"copyright_id":"0x58bc71537aae1a3b39286d8a0f0cfc551c8b72cefb42052d4713b93a6d9c7217","isrc":"NLA507500351","name":"Piano Sonata No. 13 in B flat, K.333: 1. Allegro - 1975 Recording","registered_at":"2026-07-29T22:19:32Z","spotify_id":"6GsDKjzUyOairQOCctWp35","type":"track"}