Jonathan Coulton plays one of his songs in Rock Band on stage in San Francisco (with the help of other musicians):
Blendor
it’s like hitting a piñata filled with exciting blog posts
Jonathan Coulton plays one of his songs in Rock Band on stage in San Francisco (with the help of other musicians):
Blendor 
…for the record I have never known a real musician who was any good at Rock Band or Guitar Hero. I have known some who were shamed into early video game guitar retirement though.
if you’ve ever played real guitar, it definitely takes some getting used to