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