T.I. "What You Know" with Pictures and Lyrics

What You Know is a Grammy Award-winning multi platinum hip-hop song by the Southern hip-hop artist T.I., and the second single from his 2006 album King.What You Know is produced by DJ Toomp from Zone Boy Productions and utilizes an interpolation of Roberta Flacks version of The Impressionss Gone Away. The track was rumored to be a diss song directed at fellow Dirty South rapper Lil Flip.