Question: Which person who contributed to the classic story of the same name by Hans Christian Andersen is an American musical theatre and film score composer and pianist?
Sentence (from "The Little Mermaid Jr (musical)"): The Little Mermaid is a stage musical produced by Disney Theatrical, based on the animated 1989 Disney film of the same name and the classic story of the same name by Hans Christian Andersen about a mermaid who dreams of the world above the sea and gives up her voice to find love.
Relevant evidence: Yes