This might very well make your day. Michael J. Fox wailed on "Johnny B. Goode" at a recent fundraiser for his Parkinson's foundation, charming the audience and the Internet at large. The Michael J. Fox Foundation was established in 2000, ten years after Fox was diagnosed with the disease, and has raised nearly $179 million in Parkinson's research to date. It's an amazing endeavor, and you can learn more and donate here. "All right guys, listen, this is a blues riff in B. Watch me for the changes and try and keep up, okay?"
While you're at it, watch the clip of Fox killing it as Marty McFly in Back To The Future!