"You Know What It Is" is a song by American rapper T.I., released July 10, 2007, as the second single from his fifth studio album T.I. vs. T.I.P. (2007). The song was produced by Jerry "Wonda" Duplessis and Wyclef Jean, the latter of whom contributes vocals throughout the hip hop track. The single peaked at number 34 on the US Billboard Hot 100.[1]
"You Know What It Is" debuted at number 73 on the US Hot R&B/Hip Hop Songs on the chart dated June 28, 2007. The song later managed to peak at number 11.[2] On the chart dated July 21, 2007, the single debuted at number 68 on the US Billboard Hot 100.[3] The song eventually peaked at number 34 on the chart and spent a total of 18 weeks.[4]