Power Chords: Brief History & Theory for Beginners
What is a power chord?
A power chord is not really a chord at all. Well, not technically. A chord is usually 3 or more notes being played simultaneously; and we call this a "triad". A power chord is considered a "diad", or 2 notes being played simultaneously.
When you play a triad chord, you play 3 notes of a specific scale. The 1st (tonic), 3rd (mediant), and 5th (dominant) note of the scale. Whatever note the 1st note is will determine what the name of the scale is called; or you can also