About the G flat Composite Blues scale
G flat Composite Blues is used for blues, rock and jazz-blues improvisation. Think of it as the full blues scale, major and minor thirds and the blue note all together.
Its notes are G♭, A♭, A, B♭, C♭, C, D♭, E♭, and F♭. The formula is W H H H H H W H W.
Also called Nine-Note Blues and Blues Enneatonic.
Three open-string notes belong to G♭ Composite Blues, namely E, A, and B. On guitar, the deepest G♭ within reach is the 2nd fret of the low E string. A capo at the second fret brings G♭ Composite Blues within reach of E-shape fingerings.
Notes and intervals
| 1 | GbG♭ | Root |
|---|---|---|
| 2 | AbA♭ | Major 2nd |
| 3 | AA | Minor 3rd |
| 4 | BbB♭ | Major 3rd |
| 5 | CbC♭ | Perfect 4th |
| 6 | CC | Diminished 5th |
| 7 | DbD♭ | Perfect 5th |
| 8 | EbE♭ | Major 6th |
| 9 | FbF♭ | Minor 7th |
| Steps | W H H H H H W H W |
|---|---|
| Semitones | 2-1-1-1-1-1-2-1-2 |
| Degrees | 1 2 ♭3 3 4 ♭5 5 6 ♭7 |
Shapes
Chromatic
Circle of Fifths
Related scales
Composite Blues in other keys
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