About the B Vietnamese scale
B 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 key F♯.
Notes and intervals
| 1 | BB | Root |
|---|---|---|
| 2 | DD | Minor 3rd |
| 3 | EE | Perfect 4th |
| 4 | F#F♯ | Perfect 5th |
| 5 | GG | 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