Hitman Returns was filmed before a sold out crowd last year at the Mandalay Bay in Las Vegas. The lineup of talent, lead by Foster as maestro of ceremonies, includes performances by Seal, Donna Summer, Martina McBride, Earth, Wind & Fire, Natalie Cole, Ruben Studdard, All-4-One,'Glee' star Charice, Chaka Khan, Jackie Evancho, Lara Fabian and other artists whose careers have been touched by Foster, a 15-time Grammy winning producer and songwriter.

A journey of epic proportions, shot over two-and-a-half years across 23 different countries, "Oh My God" asks people from all walks of life, from celebrities, to the religious, to atheists and the common Man - the question - "What is God?"
Trailer: