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