Jack Black and Tenacious D rock out at Blizzcon 2010 (video)

It was only a matter of time before musical group Tenacious D took the stage at the closing ceremony of Blizzcon 2010. When they did, the crowd of around 20,000 attendees almost brought the roof of the Anaheim convention center down.

About halfway through the set, Jack Black and company welcomed the spirit of The Metal on stage. But it wasn’t long before The Metal faced off against a new challenger from Blizzard.

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You can see a video of the shred-tastic musical performance after the jump. Enjoy!