Memorize these common voicings for Dominant 7th chords. They will start to pop up in many of the progressions we'll explore. They also will shape your personal style and make the regular open and barre chords we've been using take on a more "country" sound.

The dominant 7th is a minor third above the 5th of a chord. Adding a dominant 7 gives any triad a fourth note, meaning it can no longer be called a triad (3). We then call this chord a "Dominant 7th chord", or "7th chord" for short. A quick shortcut to finding the dominant 7th in any chord is to take the root of the chord and move down a whole step (2 frets). That note is the dominant 7th. You may have to find a different string on which to play the dom. 7, but that shouldn't be too much of a hassle once you've found it. Memorizing these voicings is the best way to learn how most of the Dom. 7ths are placed. These are the typical 7th chord voicings.