Hanns Eisler Political MusicianEisler's role in German music is similar to that of Brecht in German literature and the two men worked together for nearly thirty years. Together with Webern and Berg, Eisler is considered one of the three great pupils of Schoenberg. Albrecht Betz divides Eisler's life and music into four periods. The early formative period as student of Schoenberg includes compositions written in Vienna up to 1925. From 1926 to 1933, the second period, Eisler lived