Conversation so far:
What is Beyond the Fringe?
Miller helped to write and produce the musical revue Beyond the Fringe.
Who starred in the musical revue?
This launched, in addition to his own, the careers of Alan Bennett, Peter Cook and Dudley Moore.
Was the musical revue successful?
CANNOTANSWER.

Question: Did he write any other musical performances?
Self-contained rewrite: Besides Beyond The Fringe, did Jonathan Miller write any other musical performances?