Presented by actor, DJ, MC and lifelong hip hop fan Idris Elba (The Wire, Luther) and featuring stars from both sides of the Atlantic (Snoop Dogg, Mark Ronson, Nas, Rakim, Debbie Harry, Jessie J, Chipmunk, Tinchy Stryder and N Dubz, to name just a few), How Hip Hop Changed the World counts down the...