16 Mar 2015 News Anthrax, Game of Thrones, Killswitch Engage, mastodon ANTHRAX STUDIO UPDATE Anthrax have added a song to the Catch the Throne Mix Tape II, a compilation based on the hit TV show Game of Thrones that will be released on Soundcloud tomorrow. Killswitch Engage and Mastodon are other metal acts confirmed to have contributed. Here’s a snapshot of the Anthrax track.