About the B flat Composite Blues scale
B 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 B♭, C, D♭, D, E♭, F♭, F, G, and A♭. The formula is W H H H H H W H W.
Also called Nine-Note Blues and Blues Enneatonic.
The open-string notes E, D, and G all sit inside the scale. On guitar, the deepest B♭ within reach is the 1st fret of the A string. Capo the first fret to play B♭ Composite Blues with A-shape fingerings.
Notes and intervals
| 1 | BbB♭ | Root |
|---|---|---|
| 2 | CC | Major 2nd |
| 3 | DbD♭ | Minor 3rd |
| 4 | DD | Major 3rd |
| 5 | EbE♭ | Perfect 4th |
| 6 | FbF♭ | Diminished 5th |
| 7 | FF | Perfect 5th |
| 8 | GG | Major 6th |
| 9 | AbA♭ | 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