The Jungle Book Beginning

http://www.youtube.com/watch?v=NhTwS9ooZYA

The film starts with the image of a book that looks like it could be a child's which is the first implication that it is for a younger audience. As the film goes on to the animation it begins with the village where the main character where the music is quite happy and cheerful giving the impression that it is a safe place. But as the jungle surrounding the village is shown the music because darker like there may be things that threaten the characters. Also the lighting in the jungle is darker.