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

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