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