Mystery of the Drumming Grandma Solved! [VIDEO]

There are certain things that you learn in life that you never forget, kind of like riding a bike. And there are other skills that stay locked into your mind and muscle memory that kind of surprise everyone, like playing the drums. Especially when you're old and gray, and haven't played them forever. That's what an elderly woman in Wisconsin discovered when she sat down at a drum set in a music store. Her performance became a YouTube sensation.

ABC news rocks out the story: