10 Classic Riffs Every Guitarist Should Know

10. 20th Century Boy - T Rex

Marc Bolan was criminally underrated as a guitarist. The opening salvo is one of the most exciting moments in rock'n'roll. When the band kicks in and that Bolan groove gets underway it is immediately obvious why so many metal bands have covered this particular T Rex track with its proto-metal blues grind.

Based on the E chord that everyone learns when they first pick up a guitar, Bolan simply rocks on and off the 3rd fret of the low E string to generate an intense dose of Bolan boogie.

As long as you keep holding that E chord down, whatever you play will sound right, even if you miss the odd note,