Conversation so far:
When did Jack Benny do his first radio show?
Jack Benny first appeared on radio as a guest of Ed Sullivan in March 1932.
Was Jack Benny a musician?
Jack Benny received more comedy spots in the revues and did well, earning a reputation as a comedian and musician.

Question: Was Jack Benny on the Ed Sullivan show?
Self-contained rewrite: Was Jack Benny on the Ed Sullivan show?