Leon Morris, Hulton Archive / Getty Images We are now winding down the anniversary of hiphop's 30th year of existence as a populist art form. Testimonials and televised tributes have been airing almost daily, thanks to Viacom and the like. As those digitized hip-hop shout-outs get packed back into their binary folders, however, some among us have been so gauche as to ask, What the heck are we celebrating exactly? A right and proper question, that one is, mate. One to which my best answer has been: Nothing less, my man, than the marriage of heaven and hell, of New World African ingenuity and that trick of the devil known as global hyper-capitalism. Hooray. Given that what we call hiphop is now inseparable from what we call the hiphop industry, in which the nouveau riche and the super-rich employers get richer, some say there's really nothing to celebrate about hiphop right now but the moneyshakers and the moneymakers—who got bank and who got more. Hard to argue with th...