Twilight (soundtrack) with a "Love Theme" for Bella and Edward's relationship, a variation of which became "Bella's Lullaby" that Robert Pattinson plays in the film and that is included on the "Twilight Original Motion Picture Soundtrack". The original theme is featured throughout the film, and serves to "play the romance that drives the story". Another theme Burwell composed was a "Predator Theme", which opens the film, and is intended to play Edward's vampire nature. Other themes include a bass-line, drum beat and distorted guitar sound for the nomadic vampires, and a melody for the Cullen family. "Twilight: The Score" was released digitally
Edward Cullen save him. Carlisle instilled in him a sense of morality uncommon in most vampires, and central to his way of life is the refusal to consider humans as food. However, Edward constantly warns Bella against being with him, perceiving her life to be at risk if she continues to associate with him. Bella's love and confidence in Edward's restraint cause her to ignore his warnings, even after she becomes the vampire James' target. Unlike the Cullen family, who are "vegetarian" vampires (committed to only feeding on animals), James regularly feeds on humans and will not stop until he drinks Bella's