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