About the B flat Phrygian b4 scale
B 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 B♭, C♭, D♭, E♭♭, F, G♭, and A♭. The formula is H W H 1½ H W W. It is the third mode of G♭ Harmonic Major.
The black keys B♭, D♭, G♭, and A♭ belong to B♭ Phrygian ♭4.
Chords in the key of B flat Phrygian b4
Expand a chord to see how to play it.
Position 2 of 3
B flat minor over D flat (1st inversion)
Position 2 of 3
C flat minor over E double flat (1st inversion)
Position 2 of 3
D flat over F (1st inversion)
Position 2 of 3
E double flat augmented over G flat (1st inversion)
Position 2 of 3
F diminished over A flat (1st inversion)
Position 2 of 3
G flat over B flat (1st inversion)
Position 2 of 3
A flat diminished over C flat (1st inversion)
Seventh chords in B flat Phrygian b4
The four-note version of each chord, richer and jazzier.
B flat minor seven
C flat minor major seven
D flat seven
E double flat major seven sharp five
F diminished seven
G flat major seven
A flat minor seven flat five
Progressions in B flat Phrygian b4
Tap any chord to hear it, or play the whole progression.
Notes and intervals
| 1 | BbB♭ | Root |
|---|---|---|
| 2 | CbC♭ | Minor 2nd |
| 3 | DbD♭ | Minor 3rd |
| 4 | EbbE♭♭ | Diminished 4th |
| 5 | FF | Perfect 5th |
| 6 | GbG♭ | Minor 6th |
| 7 | AbA♭ | 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 | B flat | C flat | D flat | E double flat | F | G flat | A flat | B flat |
|---|---|---|---|---|---|---|---|---|
| Right hand | 4 | 1 | 2 | 3 | 1 | 2 | 3 | 4 |
| Left hand | 2 | 1 | 3 | 2 | 1 | 4 | 3 | 2 |
Shapes
Chromatic
Circle of Fifths
Related scales
Phrygian b4 in other keys
C Phrygian b4 scaleD flat Phrygian b4 scaleD Phrygian b4 scaleE flat Phrygian b4 scaleE Phrygian b4 scaleF Phrygian b4 scaleG flat Phrygian b4 scaleG Phrygian b4 scaleA flat Phrygian b4 scaleA Phrygian b4 scaleB Phrygian b4 scale
Modes
The same notes, starting on a different note.
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