Quartet Tzigane's performance of the last movement from Walton's Piano Quartet in d minor in December 2011.
This was recorded when the musicians were between 12 and 15 years old and they had been playing together for five months.
Graydon Tope, 15, violin
Sloane Wesloh, 15, viola
Parker Tope, 13, cello
Evren Ozel, 12, piano