 The song was written by composer Harold Faltermeyer, who was recording keyboard parts for Billy Idol's "Whiplash Smile" album.According to Faltermeyer in an interview for RedBull Academy in 2014, at the same recording facility as Idol, Faltermeyer was in a control room composing a melody for a scene in the movie Fletch.Billy Idol passed by the control room on a break and opened the door for a listen.