In guitar music, especially electric guitar, a Power Chord (also fifth chord) is a chord that consists of the root note and the fifth. Power chords are commonly played on amplified guitars, especially on electric guitar with distortion. They are a key element of many styles of Rock and especially Heavy Metal music.
Power chord on E
When two or more notes are played through a distortion process that non-linearly transforms the audio signal, additional partials are generated at the sums and differences of the frequencies of the harmonics of those notes (intermodulation distortion).
When a typical chord containing such intervals (for e...Read More