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