Atli Örvarsson has taken over scoring duties on the fantasy adventure The Mortal Instruments: City of Bones. The film is directed by Harald Zwart and stars Lily Collins, Jamie Campbell Bower, Lena Headey, Jonathan Rhys Meyers, Aidan Turner, Robert Sheehan, Kevin Durand and Jared Harris. The movie is based on the first book of the bestselling Young Adult book series The Mortal Instruments by Cassandra Clare and follows a teen who discovers she is the descendant of a line of Shadowhunters, a secret cadre of young half-angel warriors locked in an ancient battle to protect our world from demons. Jessica Postigo has adapted the material for the screen. Don Carmody (Silent Hill, Resident Evil: Afterlife) and Robert Kulzer (The Three Musketeers) are producing the Constantin Film and Unique Features production.