She sang all of the major Italian mezzo-soprano roles, but also tackled Wagner's Ortrud (Lohengrin) and Brangäne (Tristan und Isolde), and Saint-Saëns's Dalila (Samson et Dalila) conducted by Victor de Sabata.
He made his debut with the company on November 29, 1961 as one of the noblemen in Richard Wagner's Lohengrin with Sándor Kónya in the title role, Ingrid Bjoner as Elsa, Margaret Harshaw as Ortrud, Randolph Symonette as Telramund, Jerome Hines as King Heinrich, and Joseph Rosenstock conducting.
Ortrud married Prince Ernest Augustus of Hanover (later Ernest Augustus, Prince of Hanover, Duke of Brunswick) on 31 August 1951 at Marienburg Castle, Nordstemmen, Hanover, Germany in a civil marriage ceremony.