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