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
Did Alan Menken showcase any other projects during the time at BMI?
he showcased various BMI workshop works, such as Midnight, Apartment House (lyric by Muriel Robinson), Conversations with Pierre, Harry the Rat and Messiah on Mott Street (lyrics by David Zippel).
Did Alan Menken continue to write musicals?
Menken finally achieved success as a composer when playwright Howard Ashman chose him and Engel to write the music for his musical adaptation of Kurt Vonnegut's novel God Bless You, Mr. Rosewater.
Did Alan Menken work on any movies?
Menken and Ashman were hired by Walt Disney Studios to write the music for The Little Mermaid (1989).

Question: Did he write anything that was never actually produced?
Self-contained rewrite: Did Alan Menken write anything that was never actually produced?