Due in large part to an uncommonly long-lasting tenure at New York's Hot 97, a bundle of gold records, and presence across additional mediums, Funkmaster Flex has held a highly influential rank in hip-hop since the early '90s. Foremost a radio and club DJ, and also a producer and host, Flex ascended so quickly during his first few years on the airwaves that by the mid-'90s his audience was global, with shows broadcast in Los Angeles, the U.K., and Japan. He capitalized on his reach by envisioning and proving the commercial potential of the hip-hop mixtape, beginning with The M...