About the B flat 7#11 Pentatonic scale
B flat 7#11 Pentatonic is used for jazz and film music that wants a Lydian color. Think of it as a five-note scale with a raised fourth and a major seventh.
Its notes are B♭, C, D, E, and A. The formula is W W W 5 semitones H.
On the piano, this scale touches the black key B♭. Its raised fourth lands on the white key E. The mode lines up four white keys back to back.
Notes and intervals
| 1 | BbB♭ | Root |
|---|---|---|
| 2 | CC | Major 2nd |
| 3 | DD | Major 3rd |
| 4 | EE | Augmented 4th |
| 5 | AA | Major 7th |
| Steps | W W W 5 semitones H |
|---|---|
| Semitones | 2-2-2-5-1 |
| Degrees | 1 2 3 ♯4 7 |
Shapes
Chromatic
Circle of Fifths
Related scales
7#11 Pentatonic in other keys
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