← A Lydian Augmented on Alto Saxophone
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)