{"copyright_id":"0x44f65933c969fea39ac347250db51dcc5b78bb51612133f3880dab05afcdead2","isrc":"HKI199615904","name":"String Quartet No. 21 In D Major, K. 575, \"Prussian No. 1\": String Quartet No. 21 In D Major, K. 575, \"Prussian No. 1\": II. Andante","registered_at":"2026-07-30T16:20:04Z","spotify_id":"70W71u6Z4nZYSIIdCjHhSf","type":"track"}