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