sentences:  In 1923 and 1928 she was heard as a guest at the Teatro Colón in Buenos Aires.She made numerous appearance at the Royal Opera, London between 1924–32, where her performances in such roles as Fricka, Ortrud, Brangäne and Herodias drew the highest critical acclaim.Her Carmen and Amneris were less successful, but her Octavian and Orlofsky were highly regarded.