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