About the A flat Phrygian b4 scale
A flat Phrygian b4 is used for metal, film scoring and tense modal writing. Think of it as a phrygian scale with its fourth lowered, extra dark.
Its notes are A♭, B♭♭, C♭, D♭♭, E♭, F♭, and G♭. The formula is H W H 1½ H W W. It is the third mode of F♭ Harmonic Major.
A♭ Phrygian ♭4 uses three black keys on the piano, A♭, E♭, and G♭.
Chords in the key of A flat Phrygian b4
Expand a chord to see how to play it.
i A flat minor
A flat minor over C flat (1st inversion)
ii B double flat minor
B double flat minor over D double flat (1st inversion)
III C flat
C flat over E flat (1st inversion)
IV+ D double flat augmented
D double flat augmented over F flat (1st inversion)
v° E flat diminished
E flat diminished over G flat (1st inversion)
VI F flat
F flat over A flat (1st inversion)
vii° G flat diminished
G flat diminished over B double flat (1st inversion)
Seventh chords in A flat Phrygian b4
The four-note version of each chord, richer and jazzier.
i A flat minor seven
A flat minor seven
ii B double flat minor major seven
B double flat minor major seven
III C flat seven
C flat seven
IV+ D double flat major seven sharp five
D double flat major seven sharp five
v° E flat diminished seven
E flat diminished seven
VI F flat major seven
F flat major seven
vii° G flat minor seven flat five
G flat minor seven flat five
Progressions in A flat Phrygian b4
Tap any chord to hear it, or play the whole progression.
Notes and intervals
| 1 | AbA♭ | Root |
|---|---|---|
| 2 | BbbB♭♭ | Minor 2nd |
| 3 | CbC♭ | Minor 3rd |
| 4 | DbbD♭♭ | Diminished 4th |
| 5 | EbE♭ | Perfect 5th |
| 6 | FbF♭ | Minor 6th |
| 7 | GbG♭ | Minor 7th |
| Steps | H W H 1½ H W W |
|---|---|
| Semitones | 1-2-1-3-1-2-2 |
| Degrees | 1 ♭2 ♭3 ♭4 5 ♭6 ♭7 |
Fingering
Suggested fingering, follows standard fingering rules
| Hand | A flat | B double flat | C flat | D double flat | E flat | F flat | G flat | A flat |
|---|---|---|---|---|---|---|---|---|
| Right hand | 3 | 1 | 2 | 3 | 4 | 1 | 2 | 3 |
| Left hand | 3 | 2 | 1 | 3 | 2 | 1 | 4 | 3 |
Shapes
Chromatic
Circle of Fifths
Related scales
Phrygian b4 in other keys
Modes
The same notes, starting on a different note.