Question: Marie Haupt had several roles in the presentation of which German composer's works at the 1876 Bayreuth Festival?
Sentence (from "Luise Jaide"): Luise Jaide (also Louise Jaide-Schlosser) (26 March 1842 – 2 January 1914) was a German operatic mezzo-soprano who had an active career during the latter half of the 19th century.
Relevant evidence: No