C♭ 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 1C♭·F·B♭
Degree 2 · Degree 2D♭·G·C♭
Degree 3 · III(4)Eb(4)
Degree 4 · IV(4)F(4)
Degree 5 · Degree 5G·C♭·F
Degree 6 · Degree 6A♭·D♭·G
Degree 7 · VII(4)Bb(4)