By Randy Wagstaff In terms of a lead-in for Oxymoron, Los Angeles label Top Dawg Entertainment (Kendrick Lamar, ScHoolboy Q, Jay Rock, etc.) could not have done much better than Kendrick Lamar's good kid, m.A.A.d city. The hip-hop world was fired up, expecting another carefully constructed masterpiece, and ScHoolboy Q spent a good portion of 2013 fanning