Watch the Modern Power Chords online guitar lesson by TrueFire from Rock Guitar Greatest Hits Vol. 2
Lesson Source: Carl Verheyen's SWAT Rhythm
Using a root and a fifth I play around with a modal approach to power chords. Once again in the key of Em, I'm able to superimpose a D, G and A chord over the tonality. And these voicings are available anywhere on the neck for both high and low sonic range.