Watch the Modern Power Chords online guitar lesson by TrueFire from Rock Guitar Greatest Hits Vol. 2
Lesson Source: Carl Verheyen's SWAT Rhythm
Getting away from the traditional power chord, here I show you a handful of new ways to play a root- fifth-root chord. Then I explain how the D, G and A power chords can be used on top of the Em tonality. It all fits within the mode you're in.