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