Jamaica is a small country in the Caribbean, 146 miles wide and populated by fewer than three million people. Nevertheless, it has exerted a more powerful hold on international popular music than any nation besides England and America. From Prince Buster to Burning Spear, Lee Scratch Perry to Yellowman, Bob Marley to Shabba Ranks, reggae music is one of the most dynamic and powerful musical forms of the twentieth century. And, as Lloyd Bradley shows...