 She was then invited to perform in "Carmen" at Covent Garden in 1949 (returning for the Ring in 1959, Klytemnestra in 1966 and "Die schweigsame Frau" in 1972), and joined the Hamburg State Opera in the same year.In 1950, she made her La Scala debut as Kundry.Her Venus in Hamburg was noticed by Wieland Wagner, and she was invited to play the role of Kundry at Bayreuth in 1951, becoming part of a group of singers called the "New Bayreuth," often sharing roles with Astrid Varnay.