F Melodic Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
F2WG1HA♭2WB♭2WC2WD2WE1HF
Step Pattern: W–H–W–W–W–W–H (2–1–2–2–2–2–1 semitones)
On the keyboard
CDEFGCDEFGCA♭B♭A♭B♭

Diatonic triads

Degree
Build the chord · root–3rd–5th

ROOTTAKESKIP

Chord semitone gaps
Ukulele G-C-E-A
i
FGA♭B♭C
Fm minor

F · A♭ · C

3 + 4 semitones
A♭CFC
123
1013
A♭CFx
12
101x · ALT
ii
GA♭B♭CD
Gm minor

G · B♭ · D

3 + 4 semitones
GDGB♭
231
0231
B♭DGB♭
3241
3231 · ALT
III+
A♭B♭CDE
A♭aug augmented

A♭ · C · E

4 + 4 semitones
A♭CEC
12
1003
A♭EEC
132
1403 · ALT
IV
B♭CDEF
B♭ major

B♭ · D · F

4 + 3 semitones
B♭DFB♭
4312
3211
xDFB♭
312
x211 · ALT
V
CDEFG
C major

C · E · G

4 + 3 semitones
GCEC
1
0003
GEEC
21
0403 · ALT
vi°
DEFGA♭
Ddim diminished

D · F · A♭

3 + 3 semitones
A♭DFx
132
121x
vii°
EFGA♭B♭
Edim diminished

E · G · B♭

3 + 3 semitones
GEEB♭
21
0401
GEGB♭
321
0431 · ALT