the Bud Powell school · ii–V–I in G♭ (F♯) major
Shell Voicings in G♭ Major
The notes
| Chord | Notes (low → high) | Formula |
|---|---|---|
| A♭m7 | A♭ – G♭ | root · ♭7 |
| D♭7 | D♭ – F | root · 3 |
| G♭maj7 | G♭ – F | root · 7 |
Why it works
From A♭m7 to D♭7, 2 voices move (A♭2→D♭3, G♭3→F3) against 0 held tones. Into G♭maj7, 1 voice settles by step or small leap (total motion of just 7 semitones). Smoothness here is measurable, not a metaphor.
G♭ major puts 4 of the 6 notes on black keys, so the hand rides high on the keyboard — many players find these grips easier to grab here, the way Irving Berlin could only play in F♯. The lowest note is G♭2 in the low register.
Practice tip: play the progression rubato first and listen for the held tones, then put the metronome on 2 and 4 at a slow tempo. When the grab is automatic, move around the circle of fourths — you are coming from D♭ and headed to B. Say the chord symbols out loud as you play; naming and hearing are different skills, and you want both.
Where G♭ major lives in the repertoire
G♭ major is the deep end: six flats, almost no standards natively in the key, and a spelling quirk — the voicing here may contain C♭ or F♭, which sit on white keys despite the flats. Players who work through G♭ report the same surprise Irving Berlin institutionalized: the black-key terrain is actually comfortable once the eye stops panicking. This is the key that proves you really know the shape.
About this voicing style
Two notes per chord — root plus 3rd or 7th. The bebop left hand. Read the full story and get it in all 12 keys →
Listen: Bud Powell — "Celia"; Thelonious Monk's left hand on "Straight, No Chaser".
Around the circle
Practice keys in the order bassists walk them — up a fourth: ← D♭ · G♭ · B →