Conversation so far:
What work did Alan do with Disney?
Menken and Ashman were hired by Walt Disney Studios to write the music for The Little Mermaid (1989).
How was his work on The Little Mermaid received?
The Little Mermaid opened to critical and commercial success and signaled a new Disney era called the Disney Renaissance.

Question: What is the next Disney film that he worked on?
Self-contained rewrite: What is the next Disney film that Alan Menken worked on after The Little Mermaid?