Bee Gees - How Deep Is Your Love

"How Deep Is Your Love" is a pop ballad written and recorded by the Bee Gees in 1977. It was released on September 24, 1977, as the lead single from the soundtrack album for the film Saturday Night Fever. The song reached the top position on the Billboard Hot 100 on December 24, 1977, where it remained for three weeks, marking the first of six consecutive US number-one hits for the Bee Gees.