← F Lydian Augmented on Clarinet in Bb
F 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 1F·B·E
Degree 2 · Degree 2G·C♯·F
Degree 3 · III(4)A(4)
Degree 4 · IV(4)B(4)
Degree 5 · Degree 5C♯·F·B
Degree 6 · Degree 6D·G·C♯
Degree 7 · VII(4)E(4)