Who are the young artists on the brink of attaining hip-hop household status? Hear from Zack O'Malley-Greenburg, senior editor at Forbes, as he shares details and anecdotes about the ten rappers and musicians who made the list. Names include: D.R.A.M., Young M.A. and Desiigner. Find out which 22-year-old grosses about $60,000 per performance.