With that company, she continued to sing many leading roles, in Mefistofele (with Norman Treigle), Prince Igor (conducted by Julius Rudel), Faust, Manon, Louise (opposite John Alexander, later Harry Theyard), La traviata, Le coq d'or, Carmen (as Micaëla, with Joy Davidson, staged by Tito Capobianco), The Marriage of Figaro (as the Contessa Almaviva, with Michael Devlin and Susanne Marsee), Don Giovanni (as Donna Elvira), L'incoronazione di Poppea (with Alan Titus as Nerone), Ariadne auf Naxos (directed by Sarah Caldwell), and Erich Wolfgang Korngold's Die tote Stadt (in Frank Corsaro's production).
In 1977, she sang the part of Minnie in La fanciulla del West (one of her great successes), with Plácido Domingo, for Queen Elizabeth II's 25th Jubilee Celebration at Covent Garden.
[6] In 1979, she made her Metropolitan Opera debut as Senta in The Flying Dutchman, in Jean-Pierre Ponnelle's production, opposite José van Dam.
[9][10] During her career, she sang all over the world, including in San Francisco, Chicago, Los Angeles, New York City, Buenos Aires, Salzburg, Hamburg and London.
Her recordings include Musetta in La bohème, with Renata Scotto, Alfredo Kraus, Sherrill Milnes and Paul Plishka, for Angel/EMI, James Levine conducting (1979); La fanciulla del West, with Domingo and Milnes, Zubin Mehta conducting (DGG, 1977); Gustav Mahler's Symphony No.2 ("Resurrection") with Claudio Abbado, Marilyn Horne, and the Chicago Symphony Orchestra (DGG, 1977); and Marietta in Die tote Stadt, with René Kollo, Erich Leinsdorf conducting (RCA, 1975).