Conversation so far:
What did Alan Menken do after he graduated college?
After graduating, Menken's plan was to become either a rock star or a recording artist.
Did Alan Menken follow the plan to become either a rock star or a recording artist?
His interest in writing musicals increased when he joined the Broadcast Music, Inc. (BMI) Musical Theatre Workshop and was mentored by Lehman Engel.
What did Alan Menken do when he joined BMI?
From 1974 to 1978

Question: Did he showcase any other projects during that time?
Self-contained rewrite: Did Alan Menken showcase any other projects during the time at BMI?