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 this assessment in a letter to "The Horn Book Review", saying that her own daughter would turn "quite nasty" upon finishing the book. Roald Dahl responded to Cameron's criticisms by noting the classics she had cited would not be well received by contemporary children. The cover art for Penguin UK's Modern Classics , published in September 2014, received criticism as being creepy, irrelevant, and age inappropriate. "Charlie and the Chocolate Factory" has frequently been adapted for other media, including games, radio, the screen, and stage, most often as plays or musicals for children – often titled "Willy Wonka" or "Willy