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Watch the Extended, Altered & Chord Subs online guitar lesson by Jeff Scheetz from Street Theory for Guitarists

There are a variety of chords and variations that you'll run into during your guitar playing career. Chord extensions along with altered chords and substitutions can add some flavor to your playing. They're a great way to spice up simple chord progressions. In this lesson, I'll give you a breakdown of the basics of how they work so you can start to implement them.