Look into Kendrick Lamar. Checkout his older mixtapes and his newly released debut album. Great beats and lyricism not to mention real subject matter.
15 NS Ripsaw . 14 NS Proto HD . 14 NS Cobra . 13 Gnu Space Case EC2PTX . 2013 Salomon Powder Snake
14 Now Drive . 13 Now IPO
14 Flow Hylite