Jagged Edge is an American R&B group; featuring lead singers Brandon and Brian Casey, born in Hartford, CT on October 13, 1975, Kyle Norman of Decatur, GA born on February 26, 1976 and Richard Wingo of College Park, GA born on September 3, 1975. Wingo was a late addition to the group, added after Kandi Burruss of Xscape recommended he be added. Kandi was also the one who brought the group to the attention of Dupri. Signed through Jermaine Dupri's So So Def Records to Columbia Records, the group has had a number of hit singles, many of which are produced by Dupri. Lead singers Brandon and Brian have written the bulk of the groups material. They have also written for Usher, Nivea and Toni Braxton. In addition to their projects, the group has collaborated with a number of artists.