Kendrick Lamar's staying as busy as humanly possible to push his new release, Good Kid, m.A.A.d. city. And recently, he sat down with 2DopeBoyz's Pyrex Peas to speak on the album, possibly collaborating with DJ Quik, and his views on the mainstream vs. the underground. He also reveals why he had MC Eiht appear as a guest on "m.A.A.d. city." Watch the interview above.