Bow down at the altar of the almighty riff! Nobody can underestimate the power of the riff; there's even a festival named Power of the Riff. In this 2008 video, you can watch guitarist Brodie Cumming tear off 100 classic and powerful riffs!

Led Zeppelin, Black Sabbath, Van Halen, Metallica, Blue Oyster Cult and the list goes on and on with all sorts of rock and metal greats covered in this video. Do you think you could play 100 consecutive classic riffs in one take? If not, how about naming all the riffs you just heard? Take the challenge and let us know what riffs you identified!