{"copyright_id":"0x02c37c321462fef795c72776d7e2e18841ad828642608288d221827cde398152","isrc":"DEF056400273","name":"Piano Sonata No. 21 in C Major, Op. 53 \"Waldstein\": III. Rondo. Allegretto moderato – Prestissimo","registered_at":"2026-07-29T16:29:46Z","spotify_id":"24JcPLzmIrpcIl5dBxGYuU","type":"track"}