An audience member filmed Anthrax performing "Madhouse" atHellfest in Clisson, France last Friday. Watch the clip below. The band's new studio album, "Worship Music" is expected to be released sometime this fall. Producer Dave Fortman started the mixing process in May in a studio in New Orleans. Following their European tour, Anthrax is scheduled to begin a North American tour by headlining the first night of the Rocklahoma Festival in Prior, OK on July 9.