Complex sentence: In 2003, he started working on the instrumental score for an independent film about Elizabeth Short directed by Ramzi Abed, entitled "The Devil's Muse", which included guest artists and singers such as Ego Plum, Johnny Dowd, Abby Travis and Nora Keyes.
Split into simpler sentences: In 2003, J started work on the instrumental score for an independent film about Elizabeth Short directed by Ramzi Abed, entitled "The Devil's Muse". The soundtrack included guest artists and singers such as Ego Plum, Johnny Dowd, Abby Travis and Nora Keyes.