Iron Maiden, Megadeth, Anthrax and Ghost are among the confirmed bands for the Spanish editions of the Sonisphere festival, set to take place at Miguel Rios Auditorium in Madrid, Spain on May 31 and at Parc del Forum in Barcelona, Spain on June 1, 2013. Tickets are on sale now. For more information, visit http://sonispherefestivals.com.
