Koushik is already going big-time, at least in underground hip-hop circles.

NPR: Koushik Bends Genres To His Will

Thus, he becomes one of the few to actually revive the innocence of early hip-hop, rather than stiffly imitate it like so many underground rappers.

NPR: The Go! Team Is Still Having Fun

In "None Shall Pass, " underground rapper Aesop Rock comes off as a hip-hop fortuneteller, announcing what will happen in a distinctly combative way.

NPR: Giving the 22nd Century a Soundtrack