Anthrax's Scott Ian to be replaced by Sepultura man for Sonisphere
Andreas Kisser will play July show with the rockers
Twisted Sister and Anthrax singers on Frank Sinatra metal tribute album
12 metal singers pitch in for 'SIN-atra'
Anthrax 'almost finished' with first new album since 2003 - video
Thrash metallers' new record is due out next year
Anthrax to play Sonisphere despite singer leaving band
Plus an ABBA tribute band joins the bill