Beach , California. Formed in 1999, the group consists of  M. Shadows  (vocalist),  Synyster Gates  (lead guitarist),  Zacky Vengeance  (rhythm guitarist), and  Johnny Christ  (bassist). Nightmare  is the fifth studio album by American  hard rock  band  Avenged Sevenfold , released on July 27, 2010 through  Warner Bros. Records . It was