Embodying the rags-to-riches rap dream, Jay Z pulled himself up by his bootstraps as a youth to eventually become the reigning rapper of New York City and, in turn, a major-label executive following his short-lived retirement from music-making. In the wake of his 1996 debut, Reasonable Doubt, Jay Z's albums sold millions upon millions, and his endless parade of hits made him omnipresent on urban radio and video television. He retained a strongly devoted fan base and challenged whatever rivals attempted to oust him from atop the rap game, sparring most memorably with Nas. Jay Z...