Charlie and the Chocolate Factory (film) shades of chocolate were tested before Burton settled on the proper hue. The original music score was written by Danny Elfman, a frequent collaborator with director Tim Burton. Elfman's score is based around three primary themes: a gentle family theme for the Buckets, generally set in upper woodwinds; a mystical, string-driven waltz for Willy Wonka; and a hyper-upbeat factory theme for full orchestra, Elfman's homemade synthesizer samples and the diminutive chanting voices of the Oompa-Loompas. Elfman also wrote and performed the vocals for four songs, with pitch changes and modulations to represent different singers. The lyrics to the Oompa-Loompa songs
Charlie and the Chocolate Factory and the Great Glass Elevator", was written by Roald Dahl in 1971 and published in 1972. Dahl had also planned to write a third book in the series but never finished it. The story was originally inspired by Roald Dahl's experience of chocolate companies during his schooldays. Cadbury would often send test packages to the schoolchildren in exchange for their opinions on the new products. At that time (around the 1920s), Cadbury and Rowntree's were England's two largest chocolate makers and they each often tried to steal trade secrets by sending spies, posing as employees, into the other's factory. Because