Written and first recorded by Neil Sedaka (UK 1973).
Hit versions by Mac & Katie Kissoon (NETH #12 1973), Captain & Tennille (US #1/UK #32 1975).
From the wiki: “The song first appeared on Neil Sedaka’s 1973 album The Tra-La Days Are Over which did not have a US release, with Sedaka’s version of the song making its US album debut on the 1974 compilation album Sedaka’s Back.