Question: John Cox's directing debut has music written by whom?
Sentence (from "John Cox (director)"): Born in Bristol, he was educated at St Edmund Hall, Oxford, and trained at Glyndebourne as assistant to Carl Ebert, and then at the York Theatre Royal and BBC television, made his directing debut with Ravel's "L'enfant et les sortilèges" for the Sadler's Wells company in 1965.
Relevant evidence: Yes