← C♯ Altered on Tenor Saxophone
C♯ Altered — 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)E(4)
Degree 4 · Degree 4F·B·E
Degree 5 · Degree 5G·C♯·F
Degree 6 · VI(4)A(4)
Degree 7 · VII(4)B(4)