Ella Tordek, Emilio De Gogorza, Germaine Martinelli, Giovanni Malipiero, Studio Orchestra, Jean Planel, Berthe Auguez De Montalant, Giuseppe Krismer, Georgette Frozier-Marrot, Giovanni Zenatello, Luise Hofer, Pol Plançon, Maurice Renaud, Edmond Clement, Louis Morturier, Georges Thill, Giorgina Caprile, Richard Mayr