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