A group of college students have built "Slashbot", which "works as a completely standalone process, using a converter box to translate specific pixel information from the screen intro note presses and strums on the mechanical contraption." Video after the break. Click here for first picture in gallery.
On average, the bot is achieving 90 percent accuracy in expert mode, and has yet to be defeated by a human challenger. Next up? It plans to eradicate all human life on Earth, of course[via Engadget - Slashbot]