urassic 5 is an American alternative hip hop group formed in 1993 from members of two previous groups, Rebels of Rhythm and Unity Committee[1] by rappers Charles Stewart (Chali 2na), Dante Givens (Akil), Courtenay Henderson (Zaakir), Marc Stuart (Marc 7), and disc jockeys Mark Potsic (DJ Nu-Mark) and Lucas Macfadden (Cut Chemist).[2] The six piece crew that was formed, came out of the Los Angeles venue Good Life.[3] The group broke up in 2007,[4] shortly after releasing their fourth LP Feedback, citing "musical differences".[5]