Affray. A public offense at common law, it is the mutual combat of two or more persons in a public place to the terror of the people. Matter of Drakeford, 32 N.C.App. 113, 230 S.E.2d 779, 782. It differs from a riot or duel in not being premeditated. Payne v. State, Ala.Cr.App., 391 So.2d 140. Black's Law Dictionary
It was the LOUDEST concert I ever attended and I've heard some famously loud bands.