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