A♯ Lydian Augmented — Quartal voicings

Three-note stacks of fourths, one per scale degree — the open, ambiguous voicing-flavour McCoy Tyner and Bill Evans built modal-era jazz around (the 'So What' chord).

All 7 quartal voicings in sequence

Degree 1 · Degree 1A♯·D𝄪·G𝄪

Degree 2 · Degree 2B♯·E𝄪·A♯

Degree 3 · III(4)C##(4)

Degree 4 · IV(4)D##(4)

Degree 5 · Degree 5E𝄪·A♯·D𝄪

Degree 6 · Degree 6F𝄪·B♯·E𝄪

Degree 7 · VII(4)G##(4)

Open in inversion explorer

Degree 1 · A♯·D𝄪·G𝄪Degree 2 · B♯·E𝄪·A♯III(4) · C##(4)IV(4) · D##(4)Degree 5 · E𝄪·A♯·D𝄪Degree 6 · F𝄪·B♯·E𝄪VII(4) · G##(4)