Watch the Section 2: Pop Patterns online guitar lesson by Brad Carlton from Rhythmology

In this lesson you'll learn how to emulate the drum kit rhythmically to help lock up the groove. All you need is one easy to finger chord form. Then we'll spice things up with the m7 to 7 move. Finally you'll learn some piano style chord moves.
Harmonic Overview
Chords: E7 C7
Street Key: E: I7 bVI7
Theoretical Key: A: V7 F:V7
Modes: EMix CMix
Parent Scales: A Maj - F Maj, E Blues - E Blues w/o B note
Pentatonic Options: EMin Pent - EMin Pent w/o B note, EMaj Pent - CMaj Pent