The soundtrack was composed and recorded in one weekend. Peter Gabriel used tracks from his third and fourth albums as bases for much of the music, including excerpts from "Not One Of Us", "Family Snapshot", "The Family and the Fishing Net", and "San Jacinto." One cue was simply an instrumental version of "The Rhythm of the Heat", and the main theme was a variation of "Wallflower."
Birdy: The dream is as real to me now as my waking life. I don't know where one begins and the other ends. I wish I could tell Al, but I'm afraid to. In my dreams, nothing holds me down. Everything's out and away. There's nothing in my life to keep me here anymore. I wish I could die and be born again as a bird.