- John Meisner, Edith Weiss Mann, Amsterdam Strings, Rudolf Kolisch, New Friends of Music Orchestra, John Wummer, Dorothy Chester, Otto Klemperer
- Prades Festival Orchestra, Marcel Mule, Lucien Thevet, Marcel Tabuteau, Maurice Allard, John Mack, Paul Tortelier, Gilbert Coursier, Leila Storch, Pau Casals, John Wummer, Fernando Valenti, Alexander Schneider, Isaac Stern
