Norwegian symphonic black metallers DIMMU BORGIR have recruited Kjell Åge "Damage" Karlsen as their new guitarist. Karlsen, who previously played with DIMMU BORGIR frontman Shagrath (real name Stian Tomt Thoresen) in the long-running Norwegian rock band CHROME DIVISION, made his live debut with DIMMU BORGIR Friday night (June 27) at the Tons Of Rock festival in Oslo, Norway. Fan-filmed video of the show can be seen below.