B♭ Natural Minor Scale

Scale steps
W = 2 semitones H = 1 semitone
B2WC1HD2WE2WF1HG2WA2WB
Step Pattern: W–H–W–W–H–W–W (2–1–2–2–1–2–2 semitones)
On the keyboard
CFCFCDEGABDEGAB

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
3111
BDFD
3124
3114 · ALT
ii°
CDEFG
Cdim diminished

C · E · G

3 + 3 semitones
xEGC
213
x323
III
DEFGA
D major

D · F · A

4 + 3 semitones
ADFD
1234
1114
ADFx
123
111x · ALT
iv
EFGAB
Em minor

E · G · B

3 + 4 semitones
BEGB
3421
3321
BEGx
231
332x · ALT
v
FGABC
Fm minor

F · A · C

3 + 4 semitones
ACFC
123
1013
ACFx
12
101x · ALT
VI
GABCD
G major

G · B · D

4 + 3 semitones
BDGB
4132
3121
BDGD
3124
3124 · ALT
VII
ABCDE
A major

A · C · E

4 + 3 semitones
AEAC
1243
1343
AExC
123
13x3 · ALT