The film was produced by Robert Stigwood, founder of RSO Records, who had earlier produced Saturday Night Fever. RSO Records also released the soundtrack to the film Grease in 1978, which had Barry Gibb producing and Peter Frampton playing lead guitar on the title track. In 1976, the Bee Gees had recorded three Beatles cover songs "Golden Slumbers / Carry That Weight", "She Came in Through the Bathroom Window" and "Sun King" for the musical documentary All This and World War II.
The Beatles producer George Martin served as musical director, conductor, arranger and producer of the Sgt. Pepper film soundtrack album.
Read more about this topic: Sgt. Pepper's Lonely Hearts Club Band (film)