In 1937, he became the general music director of the city of Münster.
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A tireless advocate of new music, he was closely associated with Karl Amadeus Hartmann, conducting premiere performances of Hartmann's opera Simplicius Simplicissimus and his Second and Fourth Symphonies, amongst others.
Hans Christian Andersen | Hans Holbein the Younger | Hans Zimmer | Hans Werner Henze | Hans Memling | Hans Pfitzner | Hans Küng | Hans Conried | Hans Knappertsbusch | Hans Magnus Enzensberger | Hans-Dietrich Genscher | Hans Blix | Hans Zender | Hans Scholl | Hans Hofmann | Hans Christian Ørsted | Hans Raj Hans | Hans Habe | Hans Baldung | Baron Hans Heinrich Thyssen-Bornemisza | Hans von Ohain | Hans van Manen | Hans Urs von Balthasar | Hans Sloane | Hans Rosbaud | Hans-Georg Backhaus | Hans-Adam II, Prince of Liechtenstein | Yuvraj Hans | Hans von Halban | Hans von Bülow |
He participated in the 1954 contemporary music festival in Donauschingen where his works were conducted by Hans Rosbaud (the same year when American composer John Cage's appearance became a legendary fiasco).
One of his signature roles was David from Die Meistersinger von Nürnberg, which is confirmed by the number of times he recorded the role, including with Herbert von Karajan (1951), Rudolf Kempe (1951 and 1956), Hans Knappertsbusch (1952), Hans Rosbaud (1955), and Rafael Kubelík (1968).
Subsequently, Hans Rosbaud was hired as the orchestra's first chief conductor.