About the F sharp Vietnamese scale
F sharp 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 F♯, A, B, C♯, and D. The formula is 1½ W W H 4 semitones.
F♯ Vietnamese draws two black keys from the piano, F♯ and C♯.
Notes and intervals
| 1 | F#F♯ | Root |
|---|---|---|
| 2 | AA | Minor 3rd |
| 3 | BB | Perfect 4th |
| 4 | C#C♯ | Perfect 5th |
| 5 | DD | 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