ベルリン国立歌劇場
During a guest appearance at the Berlin State Opera in 1909, she sang Mimì opposite Enrico Caruso. From 1911 until 1918, she was a member of the Berlin State Opera. There, she sang Sophie in the first Berlin performance of Richard Strauss' "Der Rosenkavalier", which impressed Thomas Beecham so much that he invited her to sing that role at the opera's first performance in London at the Royal Opera House in 1913.