The song was written by Gibb and keyboardist George Bitzer.

It is the second and final single from his debut solo album Now Voyager.

[3] The song features The Who's lead singer Roger Daltrey singing backing vocals along with Olivia Newton-John and Harry Wayne Casey of KC and the Sunshine Band.

[4] The song also contains a rap section by Gibb himself: It's wild, it's weird, it's what we think about / This ain't no strip club, shame on you / 'Cause you know somebody that got a bead on what you need / Don't sacrifice your love / You analyze, don't minimize / What only you can rise above.The music video of "Fine Line" was made as a part of Gibb's movie Now Voyager on which all songs on his album of the same name was featured.

[5] He also shaved his beard on the Bee Gees' music video "Night Fever" and the alternative music videos of "How Deep Is Your Love"[6] and "Stayin' Alive".