The singular chord is a powerful thing in rock music, and these are the songs where it's used to the most effect.

Open G tuning is an alternate tuning favored by Keith Richards and requires the guitar ... is a D. It’s still a note in the G chord (G-B-D), but it means you’ll often find chords and riffs ...

When it comes to guitar chords, it all begins with basic ones that are called either major (use just the letter of the chord, eg E for E major) or minor (reduced to the letter plus m, eg Em for E ...