Smithson String Quartet: Jaap Schroder: violin Judson Griffin: viola Kenneth Slowik: cello
Smithson String Quartet: Jaap Schroder: violin Judson Griffin: viola Jaap ter Linden: cello Michel Piguet: oboe
Smithson String Quartet: Jaap Schroder, Marilyn McDonald: violin Judson Griffin: viola Kenneth Slowik: cello