[youtube]http://www.youtube.com/watch?v=UzqargXXMe0[/youtube]
Professionally filmed video footage of Norwegian black metallers IMMORTAL performing the song "Unsilent Storms In The North Abyss" at this year's Wacken Open Air festival, which took place in early August in Wacken, Germany, can be viewed below
[Rockpalast via Blabbermouth]