The song "I'm Not in Love" by British group 10cc, written by band members Eric Stewart and Graham Gouldman, is from their 1975 album The Original Soundtrack.
https://en.wikipedia.org/wiki/10cc
https://en.wikipedia.org/wiki/I'm_Not_in_Love
https://en.wikipedia.org/wiki/The_Original_Soundtrack
https://en.wikipedia.org/wiki/10cc
https://en.wikipedia.org/wiki/I'm_Not_in_Love
https://en.wikipedia.org/wiki/The_Original_Soundtrack