Staff at the Coalition Drum Shop in Wisconsin got quite a surprise when an elderly woman walked unannounced into the shop, sat down behind a drum set, and proceeded to throw down a very impressive and rocking drum solo!
Meet "Mary, the Grandma Drummer"!  In just a few days, she's been viewed 2.5 million times on youtube!
A comment from the Drum Shop staff attached to the video says: "We have no idea where this lady came from, what her name is or where she went, but she rocked our faces off!