She played the Countess in Tcaikovsky's "Queen of Spades" at the Metropolitan Opera in New York City after her retirement.
(1959) She made her Metropolitian Opera debut in New York City as Susanna in Mozart's "Figaro."
(1988) She played Elisabeth Zimmer in Hans Werner Henze's "Elegy for Young Lovers" and Juliana Bourdereau in Dominick Argento's "Aspern Papers" which premiered in Dallas, Texas.
She also played 300 year old Emilia Marty in "The Makropulos Case."
She sang the title roles in "Jenufa" and "Katya Kabanova" which were both Janacek Operas. They were conducted by Charles Mackerras.
(1969 - 1970) She performed at the Royal Opera in Covent Garden, London, England where she sang Melisande in Debussy's "Pelleas et Melisande." Pierre Boulez was conductor. George Shirley played Pelleas.
(1957) She made her debut at the Glyndebourne Festival in England as the Composer in Straus's "ariadne Auf Naxos."
She joined the Swedish Royal Opera after her debut in 1947.
(1947) She was 20 when she made her debut as Mozart's Bastienne at the Drottingholm Court Theater in the Stockholm area.
She played Tatyana in Tchaikovsky's "Eugene Onegin."
She played the Marschallin in Straus's "Der Rosenkavalier."
She played the Countess in Mozart's "Le Nozze Di Figaro."