 Walt Disney sought to make his version of "The Jungle Book" a lot more upbeat than the Rudyard Kipling source material, the original Bill Peet script, and the initial score composed by Terry Gilkyson.The Sherman brothers were tasked with coming up with "crazy ways to have fun with [the music]".Working with concept art of what the monkeys would look like, Richard Sherman said he and his brother aimed for a jazz sound, with a Dixieland-like melody.