Jagged Edge is an American R&B group signed through Jermaine Dupri's So So Def Recordings. Their biggest hit singles are "Let's Get Married" and "Where the Party At", many of which were produced by Jermaine Dupri. The group's members include identical twin lead singers Brian and Brandon Casey as well as Richard Wingo and Kyle Norman. The group's name derives from track 12 - "Snake" from rapper Ol' Dirty Bastard's debut album "", more specifically, the beginning of RZA's verse, which states, "Jagged Edge, Rockhead God, hard as Stonehenge..."