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