Jagged Edge is an American mainstream
R&B group signed through
Jermaine Dupri's
So So Def Recordings. The group has had a number of hit singles, many of which are produced by Dupri. The group's members include
identical twin lead singers Brandon and Brian Casey as well as Kyle Norman and Richard Wingo. In addition to writing the bulk of the group's material, the Casey brothers have also written for
Usher,
Nivea and
Toni Braxton.