That song is based on a theme in the score the melodies are the same, right?
The song was written by James Horner who also wrote the score. Yes, he used one of the themes to build the song with and then hired Will Jennings to do the lyric. That was really an after, afterthought. That came from Sony, who of course we made the deal with to do the soundtrack album pretty early on, but not nearly as early as when I started working on it. Toward the end, Celine Dion being one of their artists, was how that whole thing kind of came together.