The Machine Gun Preacher soundtrack features a brand new original composition, "The Keeper" by Chris Cornell (Soundgarden, Audioslave) along with 15 score cues composed by Asche & Spencer (Monster's Ball) and was recorded by the Slovak National Symphony Orchestra at Asche & Spencer's studios in Venice, CA and Minneapolis, MN. Vladimir Martinka conducted the session, was orchestrated by Sean McManon & David Shephard.