Tetrazzini has performed Rigoletto (Verdi), Eugene Onegin (Tchaikovsky), Elissir D'Amore (Donizetti), and Gianni Schicchi (Puccini). She sang in Mexico City, Madrid, Buenos Aires and Rome. Tetrazzini sang with Enrico Caruso, Plácido Domingo, Tamagno, Lorenzo Salvi and Beniamino Gigli.