She was famous for roles in the operas of Puccini, Gounod and Massenet. In particular, she sang Manon, Juliette and Marguerite, in the French repertoire and Mimì, Liù, Suzel and Madama Butterfly in the operas of the Giovane Scuola Italiana. She was unforgettable in La bohème; in a staging conducted by Karajan and directed by Zeffirelli at La Scala, she was crowned as the world’s leading interpreter of Mimì in the second half of the Twentieth Century. She made her La Scala debut at just twenty-six years of age as Nannetta in Falstaff. Other important roles: Falstaff, Serse, Carmen, Elisir d’Amore, La bohème, Faust, Turandot, Don Giovanni, Le nozze di Figaro, L’amico Fritz, La Traviata, Manon (by Massenet), La Fille du régiment, Otello, Simon Boccanegra, Don Carlos, Ernani, Eugene Onegin, Adriana Lecouvreur, The Queen of Spades, Fedora, Simon Boccanegra, Ernani, Aida, Puccini’s Manon, Adriana Lecouvreur, Otello, Eugene Onegin, The Queen of Spades and the Maid of Orleans.