Conversation so far:
What did Yip do in Hollywood?
Harburg worked with composers Harold Arlen, Vernon Duke, Jerome Kern, Jule Styne, and Burton Lane, and later wrote the lyrics for The Wizard of Oz.
What year did he write for wizard of Oz.?
CANNOTANSWER.
What was names of some broadway shows?
Bloomer Girl (1944).

Question: Did he actually act or was part of the shows?
Self-contained rewrite: Did Yip Harburg actually act or was part of the broadway shows?