 The song was originally recorded by Sarah Brightman and Steve Harley, which became a UK hit single in 1986, prior to the musical.In its theatrical debut, it was sung by Brightman and Michael Crawford in their roles as Christine Daaé and the Phantom.The song is performed in Act I after the song "Angel of Music" (The Mirror) and before "The Music of the Night" (and is reprised in Act Two at the end of the song "Notes/Twisted Every Way").