In open-G tuning, G is free — every string open. Two fingers give you C and D7, and those three chords carry a thousand songs. Tap a chord to see the shape and hear it strum, drone and all.
the open-G chords
Every string open — open-G tuning's home chord.
any chord, anywhere — movable voicings
root
quality
The closest playable shape that contains the root — slide the idea around the neck.