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