Displaying Audio as Light

HackNMod, one of my favorite DIY hacking blogs, posted an article about building LED devices that interpret audio signal into orchestrated light.  Check out this video:

This guy has premade kits – but it’s as easy as following an instructable.  Cool!  I hope my wife isn’t too upset when I build one of these large enough to light up our whole second floor!  (Just kidding, honey!)