B Melodic Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
B2WC1HD2WE2WF2WG2WA1HB
Step Pattern: W–H–W–W–W–W–H (2–1–2–2–2–2–1 semitones)
On the keyboard
DEBDEBCFGACFGA

Diatonic triads

Degree
Build the chord · root–3rd–5th

ROOTTAKESKIP

Chord semitone gaps
Ukulele G-C-E-A
i
BCDEF
Bm minor

B · D · F

3 + 4 semitones
BDFB
4123
4222
xDFB
123
x222 · ALT
ii
CDEFG
Cm minor

C · E · G

3 + 4 semitones
GCEC
123
1104
GEEC
123
1404 · ALT
III+
DEFGA
Daug augmented

D · F · A

4 + 4 semitones
ADFA
4231
3221
xDFA
231
x221 · ALT
IV
EFGAB
E major

E · G · B

4 + 3 semitones
BEGB
2341
4442
GEEB
132
1402 · ALT
V
FGABC
F major

F · A · C

4 + 3 semitones
ACFA
4132
3121
ACFC
3124
3124 · ALT
vi°
GABCD
Gdim diminished

G · B · D

3 + 3 semitones
BDGB
3142
4242
GDGB
1243
1242 · ALT
vii°
ABCDE
Adim diminished

A · C · E

3 + 3 semitones
ACEA
312
3101
AEEC
123
3404 · ALT