 She appeared in many operas by Strauss, including as Echo in "Ariadne auf Naxos", as Zdenka in "Arabella", and in "Intermezzo" in 1963.Felbermayer created the role of Xanthe in the posthumous premiere of his "Die Liebe der Danae" conducted by Clemens Krauss at the 1952 Salzburg Festival.She appeared at the Vienna State Opera in 1970 in his "Die ägyptische Helena", a performance that was recorded.