(Guitar Educational). In any music style, there are essentials scales, licks, chords, etc. Blues Guitar Chords teaches you the must-know chords that will get you shufflin' like a pro in no time. You won't get bogged down with tons of details. Rather, you'll be armed with many chord shapes that have been used throughout the history of the blues. The included DVD demonstrates each chord and all the song examples are accompanied by a full band, so you can hear these chords in the proper context. Covers: boogie patterns, dominant seventh chords, extended chords, other chord types (min7, maj7, altered), alternate/partial chords, full song examples, and more! DVD running time: 37 min.