The Beethoven Quartet Dmitri Tsyganov, Violin Vassily Shirinsky, Violin Vadim Borissovsky, Viola Sergey Shirinsky, Cello
DMITRI TZIGANOV -1st violin NICOLAI ZABAVNIKOV - 2nd violin FEDOR DRUZHININ - viola SERGEI SHIRINSKY cello
DMITRI TZIGANOV -1st violin NICOLAI ZABAVNIKOV - 2nd violin FEDOR DRUZHININ - viola SERGEI SHIRINSKY - cello