Watch the Section 3: Rock online guitar lesson by Brad Carlton from Rhythmology

Heavy rock is fun to play, just ask any guitar player! But seriously, before you max out the gain on your amp and grab hold of your vibrato bar, listen to this lesson. E5 to A5 are the changes, but we'll explore some different approaches to rhythm guitar. Subjects covered are: licks that counter the keyboard part, octaves, power chords built off the minor pentatonic scale, licks involving fretted and open strings together, and finally, tapped artificial harmonics. You'll also learn what not to do harmonically.
Harmonic Overview Chords: E5 A5
Street E: I IV
Theory D: II V
Modes: E Dor A Mix
Parent: D Maj D Maj
Pentatonic Options: E Min Pent