Spirits Having Flown is the fifteenth album by the Bee Gees, released in 1979 by RSO Records. It was the group's first album after their collaboration on the Saturday Night Fever soundtrack. The album's first three tracks were released as singles and all reached No. 1 in the US, giving the Bee Gees an unbroken run of six US chart-toppers in a one-year period and equaling a feat shared by Bing Crosby, Elvis Presley, and The Beatles. It was the first Bee Gees album to make the UK top 40 in ten years, as well as being their first and only UK No. 1 album. Spirits Having Flown also topped the charts in Australia, Canada, Germany, New Zealand, Sweden and the US. The album has sold more than 20 million copies worldwide.

Saturday Night Fever is the soundtrack album from the 1977 film Saturday Night Fever starring John Travolta. The soundtrack was released on November 15, 1977 by RSO Records. Prior to the release of Thriller by Michael Jackson, Saturday Night Fever was the best-selling album in music history, and still ranks among the best-selling soundtrack albums worldwide, with sales figures of over 40 million copies.