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