Edmond Clement, Ella Tordek, Louis Morturier, Germaine Martinelli, Jean Planel, Berthe Auguez De Montalant, Giuseppe Krismer, Georgette Frozier-Marrot, Giovanni Malipiero, Emilio De Gogorza, Richard Mayr, Pol Plançon, Maurice Renaud, Giorgina Caprile, Giovanni Zenatello, Luise Hofer, Studio Orchestra, Georges Thill
Melitta Heim, Marie Rappold, Francesco Daddi, Selma Kurz, Maria Farneti, Margaret Keyes, Alice Verlet, Carlo Galeffi, Maria Avezza, Adelina Agostinelli, Alessandro Bonci, Florencio Constantino, Giovanni Zenatello, Merle Alcock, Leo Slezak, Arthur Middleton, Studio Conductor, Studio Orchestra, Guido Ciccolini, Dan Beddoe
Eugenio Giraldoni, Fiorello Giraud, Francesco Marconi, Angelica Pandolfini, Fernando Valero, Gemma Bellincioni, Giovanni Zenatello, Studio Pianist, Studio Orchestra
