← B♯ Lydian Dominant on Clarinet in A
B♯ Lydian Dominant — 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 1B♯·E𝄪·A♯
Degree 2 · II(4)C##(4)
Degree 3 · III(4)D##(4)
Degree 4 · Degree 4E𝄪·A♯·D𝄪
Degree 5 · Degree 5F𝄪·B♯·E𝄪
Degree 6 · VI(4)G##(4)
Degree 7 · Degree 7A♯·D𝄪·G𝄪