Question: Hermine Kittel (December 2, 1879 – April 7, 1948) was an Austrian contralto from Vienna, she later premiered in a revision of "Ariadne auf Naxos", an opera by Richard Strauss, with a German libretto by who?
Sentence (from "Ariadne auf Naxos"): Combining slapstick comedy and consummately beautiful music, the opera's theme is the competition between high and low art for the public's attention.
Relevant evidence: No