The song "If You Leave" by the British synthpop group Orchestral Manoeuvres in the Dark (OMD), was recorded for the soundtrack to the 1986 film Pretty in Pink.
https://en.wikipedia.org/wiki/If_You_Leave_(song)
https://en.wikipedia.org/wiki/Pretty_in_Pink#Soundtrack
https://en.wikipedia.org/wiki/Orchestral_Manoeuvres_in_the_Dark
https://en.wikipedia.org/wiki/If_You_Leave_(song)
https://en.wikipedia.org/wiki/Pretty_in_Pink#Soundtrack
https://en.wikipedia.org/wiki/Orchestral_Manoeuvres_in_the_Dark
Text to this post, obtained from this song's Wikipedia page, has been slightly modified and made available here under the Creative Commons Attribution-ShareAlike 3.0 Unported License. (CC BY-SA 3.0)
https://creativecommons.org/licenses/by-sa/3.0/