sentences:  He sang in Darmstadt (1933–35), Cologne (1935–36), Hannover (1937–38), and then at the Munich State Opera (1938–40), where he took part in the creation of Strauss's "Friedenstag".He returned next to Berlin and sang at the Berlin State Opera from 1940 until 1948.His repertory at that time included lyric roles such as Belmonte, Tamino, Lyonel, Hans, Hoffmann, Leukippos, Alfredo, Eisenstein and Rodolfo.