Question: What Austrian-born composer and conductor wrote a show in which Cyril Ritchard appeared with Peter Graves?
Sentence (from "Cyril Ritchard"): In 1945, he played Gabriele Eisenstein in "Gay Rosalinda" at the Palace theatre in London, a version of Strauss's "Die Fledermaus" by Erich Wolfgang Korngold in which he appeared with Peter Graves.
Relevant evidence: No