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