Welcome to my mini course on "Power Chords"! This is an entry level course introducing you to these awesome but powerful musical devices.
Power chords are typically made up of just 2 notes which strangely makes them sound "bigger" than more complex chords. The "Power" part can really come into play when using distortion on your amp or with a pedal. Also, power chords make up not only the foundation of rock music, but the blues as well, so It's extremely important for you to be able to play and understand them.