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 getting ground into powder. A fan of the book since childhood, film director Tim Burton wrote: "I responded to "Charlie and the Chocolate Factory" because it respected the fact that children can be adults." In a 2006 list for the Royal Society of Literature, author J. K. Rowling (author of the Harry Potter books) named "Charlie and the Chocolate Factory" among her top ten books every child should read. A 2004 study found that it was a common read-aloud book for fourth-graders in schools in San Diego County, California. A 2012 survey by the University of Worcester determined that it