Bb Half Diminished Guitar Scale
6-string guitar · = Locrian · 7 notes · minor family
Notes
B♭
C♭
D♭
E♭
F♭
G♭
A♭
Solfège : Si♭ – Do♭ – Ré♭ – Mi♭ – Fa♭ – Sol♭ – La♭
Interval Structure
B♭
½T
C♭
T
D♭
T
E♭
½T
F♭
T
G♭
T
A♭
→
B♭+oct.
T
Scale Chords (triads)
| Degree | Chord (in Bb) | Quality |
|---|---|---|
| i° | B♭° | diminished |
| II | C♭ | Major |
| iii | D♭m | minor |
| iv | E♭m | minor |
| V | F♭ | Major |
| VI | G♭ | Major |
| vii | A♭m | minor |
About this scale
The half-diminished scale (= Locrian) is used over iiø7 chords in jazz ii-V-i cadences in minor. On guitar, it appears in jazz standard progressions (Autumn Leaves, All The Things You Are). Its b5 creates tension that immediately calls for resolution toward the dominant.
See fretboard positions for Bb Half Diminished on guitar in the interactive app.
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