Related Information for Wreckx'n Effect Wreckx-n-Effect was a New Jack Swing Hip-Hop group who had the multi-platinum hit "Rump Shaker" in 1992/1993, which was produced by Teddy Riley.The group, originally comprised of then adolescent; Aqil Davidson, Brandon Mitchell, Markell Riley, and Keith "K.C." Hanns, was formed around 1988 as Wrecks-n-Effect. Their first release, an eponymous EP of six tracks for Atlantic Records, included the singles "Go For What You Know", "Let's Do It Again" (which.. read more