The story of how grime rose from the council estates of east London to become the most important British musical movement since punk. Through personal encounters with key pioneers from the last four decades of British black music, Rodney P, the 'godfather of British rap', discovers that the success of grime rests upon previous generations of artists and learns that grime can only be truly understood when viewed as part of a broader social narrative and ever-evolving musical culture that goes back to the 1980s. As the first generation of British-born black youth came of age in the 1970s and 1980s, the natural medium for their artistic expression was the sound system culture brought over from Jamaica by their parents and grandparents. The first major breakthrough in the evolution of a home-grown sound came in the 1980, when young reggae MCs started telling their stories in a blend of patois and cockney, reflecting the mixed multicultural environments of the British inner cities they lived in. When Rodney became a rapper, the new sound of the streets was American hip-hop. Today it would be unthinkable for a grime artist to adopt an American twang, but back then when Rodney's crew London Posse started rapping in their own London accents, it was a breakthrough. In the early 90s, reggae toasting, British accents and sped-up hip-hop beats came together for the first uniquely British black music genre - jungle. And as the decade wore on, UK garage reflected the aspirations and optimism of Blair's cool Britannia, but it was never a platform for stories of struggle and hardship, and for the new generation of kids growing up on the council estates of east London, a harder sound was needed. Made on phones in bedroom studios, a new, sparser and more aggressive sound emerged. Spread via pirate radio stations and promoted by underground DVDs, London at the turn of the millennium saw the arrival of a new, grimier sound. Almost 20 years on from those beginnings, grime ho