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