On what film soundtrack did the Bee Gees song "How Deep Is Your Love" appear?

The Bee Gees wrote and recorded "How Deep Is Your Love" in 1977. It was eventually included in the soundtrack for the film Saturday Night Fever. The song peaked at Number 1 on the Billboard Hot 100 and spent 17 weeks in the Top 10, becoming the first song to do so since Chubby Checker's "The Twist."

Asked by Vasilii Kulev · Last updated 4 years ago · 66.4K views · SOURCE