Power chords and barre chords represent a huge amount of the vocabulary used by guitarists in rock and pop music. Although they may be a bit tough on your fretting fingers at first, the many applications of these shapes make the effort worthwhile. In this module, we'll cover various exercises that will give you greater facility and command of these chords.

There are several ways to learn new voicing shapes on the guitar. Drop-2 is a term used at Berklee to describe a configuration of chord tones, pleasing to the ear, and, more importantly to guitarists, relatively easy to execute on the fretboard. It's the best way to play seventh chords on four consecutive strings. This module is going to give you plenty of practice in creating new voicing shapes on the fretboard and will help you develop the ability to play various seventh chords in all keys.

We've learned many guitar voicings for triads and seventh chords. This module will help you to solidify your grasp of Drop-2 Seventh chords. We'll also explore some new ways of using what we've already learned. Finally, we'll look at how to substitute chords using a standard lead sheet.