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