Otto Wiener
Wiener first appeared at the Bayreuth Festival in 1957 , and sang there until 1963 as Hans Sachs in "Die Meistersinger von Nürnberg" , Gunther in "Götterdämmerung" , Wotan/Wanderer in "Der Ring des Nibelungen" and in the title-role of "Der fliegende Holländer" . 
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