Complex sentence: The song was composed by Joe Brooks and served as title song for the eponymous 1978 film which Brooks directed and also starred in with Shelley Hack as his leading lady: male vocalist Jamie Carr sang the theme song on the film's soundtrack.
Split into simpler sentences: The song was composed by Joe Brooks and served as title song for the eponymous 1978 film that Brooks directed and also starred in with Shelley Hack as his leading lady. Male vocalist Jamie Carr sang the theme song on the film's soundtrack.