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
Arthur Middleton, Studio Conductor, Alessandro Bonci, Florencio Constantino, Adelina Agostinelli, Francesco Daddi, Maria Farneti, Margaret Keyes, Maria Avezza, Selma Kurz, Alice Verlet, Carlo Galeffi, Guido Ciccolini, Leo Slezak, Dan Beddoe, Giovanni Zenatello, Merle Alcock, Studio Orchestra, Melitta Heim, Marie Rappold
Studio Pianist, Gemma Bellincioni, Francesco Marconi, Fiorello Giraud, Eugenio Giraldoni, Studio Orchestra, Fernando Valero, Giovanni Zenatello, Angelica Pandolfini
