A Harmonic Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
A2WB1HC2WD2WE1HF3W+HG1HA
Step Pattern: W–H–W–W–H–W+H–H (2–1–2–2–1–3–1 semitones)
On the keyboard
CDEFABCDEFABCGG

Diatonic triads

Degree
Build the chord · root–3rd–5th

ROOTTAKESKIP

Chord semitone gaps
Ukulele G-C-E-A
i
ABCDE
Am minor

A · C · E

3 + 4 semitones
ACEA
1
2000
ACEC
12
2003 · ALT
ii°
BCDEF
Bdim diminished

B · D · F

3 + 3 semitones
BDFB
4213
4212
xDFB
213
x212 · ALT
III+
CDEFG
Caug augmented

C · E · G

4 + 4 semitones
GCEC
12
1003
GEEC
132
1403 · ALT
iv
DEFGA
Dm minor

D · F · A

3 + 4 semitones
ADFA
231
2210
xDFA
21
x210 · ALT
V
EFGAB
E major

E · G · B

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

F · A · C

4 + 3 semitones
ACFA
21
2010
ACFC
213
2013 · ALT
vii°
GABCD
Gdim diminished

G · B · D

3 + 3 semitones
BDGB
3142
4242
GDGB
1243
1242 · ALT