Richard Wagner
Richard Wagner was a 19th century German composer mentioned in a scene in the script of the  fifth season episode , though only by last name. The scene mentioning Wagner was not in the finished episode. .

Wagner was said to have composed the Ring cycle, which took nine hours to watch in one sitting. Wagner also composed the Bridal Chorus, which was heard in the  first season episode  and the  episode ; he also created the opera Tristan and Isolde, whose title appeared on a banner in .

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Unused production material