About the B flat Vietnamese scale
B flat Vietnamese is used for Vietnamese-flavored and folk melodies. Think of it as a dark five-note scale with a minor third and flat sixth.
Its notes are B♭, D♭, E♭, F, and G♭. The formula is 1½ W W H 4 semitones.
On the piano, B♭ Vietnamese touches the black keys B♭, D♭, E♭, and G♭.
Notes and intervals
| 1 | BbB♭ | Root |
|---|---|---|
| 2 | DbD♭ | Minor 3rd |
| 3 | EbE♭ | Perfect 4th |
| 4 | FF | Perfect 5th |
| 5 | GbG♭ | Minor 6th |
| Steps | 1½ W W H 4 semitones |
|---|---|
| Semitones | 3-2-2-1-4 |
| Degrees | 1 ♭3 4 5 ♭6 |
Shapes
Chromatic
Circle of Fifths