Relativity Music Group is pleased to announce the release of the original motion picture soundtrack for Golden-Globe® nominee Marc Forster’s Machine Gun Preacher, featuring the original song and lead track “The Keeper,” written and performed by Grammy-award winning musician Chris Cornell and co-produced by Alain Johannes (Great Expectations) and Chris Cornell. Machine Gun Preacher stars Gerard Butler and is based on the true story of Sam Childers, a former drug-dealing criminal who finds faith leading him on a path to help the children of East Africa. [Source]