Conversation so far:
What was P.G. Wodehouse's first Broadway show?
P.G. Wodehouse's first Broadway show was Miss Springtime
What did P.G. Wodehouse do on this show?
P.G. Wodehouse helped write song lyrics for Miss Springtime
What is the name of P.G. Wodehouse's first Broadway show?
P.G. Wodehouse's first Broadway show was Miss Springtime

Question: what type of work did he do on shows?
Self-contained rewrite: What type of work did P.G. Wodehouse do on Broadway shows?