Greatest is a compilation of the album containing some of the Bee Gees' greatest hits from some of their albums during their 1975 – 1979 era such as:
• Main Course (1975)
• Children of the World (1976)
• Saturday Night Fever Soundtrack (1977)
• Spirits Having Flown (1979)
It was re-issued in 2007, which added “Warm Ride,” “Stayin' Alive (Promo 12” Version)," and 6 remixes to the tracklist.