Renata Tebaldi
Mario Del Monaco, Renata Tebaldi, Risë Stevens, Alfredo Kraus, Franco Corelli, Montserrat Caballé, Joan Sutherland, Birgit Nilsson, Nellie Melba, Rosa Ponselle, Beniamino Gigli, Jussi Björling, Feodor Chaliapin, Cecilia Bartoli, Renée Fleming, Marilyn Horne, Bryn Terfel and "The Three Tenors" (Luciano Pavarotti, Plácido Domingo, and José Carreras).