piano.org
Quartal Voicings
Chords stacked in fourths instead of thirds — the open, modern McCoy Tyner sound.
Coming soon
We're building an interactive deep-dive on quartal voicings — playable shapes, keyboard and staff diagrams, and the theory behind the sound. It isn't ready yet. In the meantime, the rootless voicing guide is fully built and is the best place to start.