Question: Which American actor, screenwriter, director, producer, singer-songwriter and author sang this song from the 1971 movie "Willy Wonka & the Chocolate Factory" that was written by British composers Leslie Bricusse and Anthony Newley?
Sentence (from "Roald Dahl's Willy Wonka (musical)"): All are owned by Music Theatre International, the company that owns the Willy Wonka license.
Relevant evidence: No