sentences:  Her debut in the United States was singing Lisa in "The Queen of Spades" with the Philadelphia Opera in 1983, then followed performances in San Francisco and Dallas in 1984 and 1986, with additional engagements in New Orleans, Miami and Baltimore.Her Metropolitan Opera debut was on April 9, 1984 singing Élisabeth de Valois in "Don Carlos".In addition to performing as a concert singer her major operatic roles included Aida, Donna Elvira, Desdemona, Leonora in "Forza del Destino", Maddalena in "Andrea Chénier", Élisabeth de Valois in Don Carlos, Amelia and the Russian roles of Lisa and Tatyana.