Frank Churchill (October 20, 1901 – May 14, 1942) was an American film composer.He wrote most of the music for Disney's 1937 movie Snow White and the Seven Dwarfs, including "Heigh-Ho", "Whistle While You Work", and "Some Day My Prince Will Come".Other Disney films that he worked on include Dumbo, Bambi, and The Adventures of Ichabod and Mr. Toad.