A Harmonic Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
A2WB1HC2WD2WE1HF3W+HG♯1HA
Step Pattern: W–H–W–W–H–W+H–H (2–1–2–2–1–3–1 semitones)
On the keyboard
CDEFABCDEFABCG♯G♯

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
G♯CEC
12
1003
G♯EEC
132
1403 · ALT
iv
DEFG♯A
Dm minor

D · F · A

3 + 4 semitones
ADFA
231
2210
xDFA
21
x210 · ALT
V
EFG♯AB
E major

E · G♯ · B

4 + 3 semitones
BEG♯B
2341
4442
G♯EEB
132
1402 · ALT
VI
FG♯ABC
F major

F · A · C

4 + 3 semitones
ACFA
21
2010
ACFC
213
2013 · ALT
vii°
G♯ABCD
G♯dim diminished

G♯ · B · D

3 + 3 semitones
BDG♯B
3142
4242
G♯DG♯B
1243
1242 · ALT