Power Chords are used extensively in hard rock, classical, pop, and movie themes where a simple, clean, and heroic sound is desired…
Notation, Keyboard Layout, Letter Names, and Sound
A C power chord is produced by combining two notes: C and G, typically in a 1-5-8(1) voicing…
An interesting aspect of power chords is their tonal ambiguity. Since “the 3” is missing, it begs the question: Is it major? minor? neither? both? It all depends on context, of course!