Avenged Sevenfold performed at the Rock am Ring and Rock im Park festivals on June 3–5, 2011 alongside other bands such as Alter Bridge, System of a Down, and In Flames. In April 2011, the band headlined the Golden God Awards held by "Metal Hammer". The same night the band won three awards for "Best Vocalist" (M. Shadows), "Epiphone Best Guitarist(s)" (Synyster Gates and Zacky Vengeance), and "Affliction's Album of The Year" for "Nightmare", while Mike Portnoy won the award for "Drum Workshop's Best Drummer" for his work on the album.