G Melodic Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
G2WA1HB♭2WC2WD2WE2WF♯1HG
Step Pattern: W–H–W–W–W–W–H (2–1–2–2–2–2–1 semitones)
On the keyboard
CDEGACDEGACF♯B♭F♯B♭

Diatonic triads

Degree
Build the chord · root–3rd–5th

ROOTTAKESKIP

Chord semitone gaps
Ukulele G-C-E-A
i
GAB♭CD
Gm minor

G · B♭ · D

3 + 4 semitones
GDGB♭
231
0231
B♭DGB♭
3241
3231 · ALT
ii
AB♭CDE
Am minor

A · C · E

3 + 4 semitones
ACEA
1
2000
ACEC
12
2003 · ALT
III+
B♭CDEF♯
B♭aug augmented

B♭ · D · F♯

4 + 4 semitones
B♭DF♯B♭
4231
3221
xDF♯B♭
231
x221 · ALT
IV
CDEF♯G
C major

C · E · G

4 + 3 semitones
GCEC
1
0003
GEEC
21
0403 · ALT
V
DEF♯GA
D major

D · F♯ · A

4 + 3 semitones
ADF♯A
123
2220
xDF♯A
12
x220 · ALT
vi°
EF♯GAB♭
Edim diminished

E · G · B♭

3 + 3 semitones
GEEB♭
21
0401
GEGB♭
321
0431 · ALT
vii°
F♯GAB♭C
F♯dim diminished

F♯ · A · C

3 + 3 semitones
ACF♯A
12
2020
ACF♯C
123
2023 · ALT