<P> Mary Mason recorded the song in medley with the Marmalade hit "Baby Make It Soon"; introduced on Mason's Angel of the Morning album, the track "Right Time of the Night / Baby Make It Soon" was released as a single in the UK in 1978 . </P> <P> John Travolta's recording of "Right Time of the Night" was included on his 1978 album Greased Lightnin' . </P> <P> Eva Dahlgren recorded the song with her self - penned Swedish lyrics as "Finns Det Nån Som Bryr Sig Om" which served as the title cut for Dahlgren's 1978 debut album . </P> <P> "Right Time of the Night" has also been recorded by Tracy Huang (zh), by Dominic Kirwan, by Danny Ray with Shirley James, and by Anita Sarawak . </P>

Who sings it's the right time of the night