via Billboard Earlier this week, I posted a clip of an 8-year-old girl drummer crushing "Good Times , Bad Times" by Led Zeppelin. Now it's 10-year-old Johannes Rørvik Grov, a talented drummer in his own right. In the video below, the young, Norwegian dynamo runs through samples of EVERY Metallica song from EVERY one of their albums. The 12-minute clip was edited down from a 2-hour session. Pretty impressive! See if you can keep up: