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