Participant or Performer: | Philadelphia Orchestra ; Riccardo Muti, conductor ; Daniel Barenboim, Emil Gilels, pianos ; Cleveland Orchestra ; George Szell, conductor ; Pinchas Zukerman, violin ; Jacqueline du Pré, violoncello ; Alban Berg Quartet ; Emil Gilels, piano ; Frank Peter Zimmermann, violin ; English Chamber Orchestra ; Jeffrey Tate, conductor. |