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