This documentary offers viewers an in depth look at the world of hip-hop and rap music as it chronicles a diverse group of performers preparing to give a major concert at Philadelphia's Armory. Interspersed amongst the preparations are interviews with rappers past and present, looks at their personal lives, commentary on their significance and upon the music, and plenty of concert footage. Featured acts and performers include, Slick Rick, who has been imprisoned for second-degree murder; Snoop Doggy Dog and Tha Dogg Pound, Russell Simmons, Dr. Dre, B.I.G; Melle Mel, LL Cool J, Run-DMC, Da 5 Footaz, YNN and more. ~ Sandra Brennan, Rovi