Matt Heafy (Trivium), Alissa White-Gluz (Arch Enemy), Mikael Stanne (Dark Tranquillity), Dennis Lyxzén (Refused), and James Dorton (Black Crown Initiate) will be taking part in a special live performance to promote the upcoming rhythm shooter game “Metal: Hellsinger.” The event will take place on August 25 as part of “Gamescom” in Cologne, Germany. The video game is expected to be released on September 15 and it will feature new songs from the aforementioned musicians and more.