“After years of playing second-fiddle to the mainstream, underground hip-hop is finally making serious waves. Due in no small part to the ghetto-tech innovations of The Neptunes/Timbaland axis, even the hardest-to-please music fans have, over the past few years, been flocking to the mainstream for their hip-hop fixes-- but now, with Def Jux running underground shit and endless collectives (the Anti”
