{"copyright_id":"0xc2e0813511031d5c1521bc98e1152ff100b935b1c0daa5fa4f1543b193514816","isrc":"FR50X1524812","name":"String Quartet No. 3 in B-Flat Major, Op. 67: IV. Poco allegretto con variazioni","registered_at":"2026-07-31T01:41:17Z","spotify_id":"4mIeFl5kAViIH2RPflAW3G","type":"track"}