Bb Half Diminished Scale
4-string bass · = Locrian ♮2 · 7 notes · minor family
Notes
B♭
C
D♭
E♭
F♭
G♭
A♭
Solfège : Si♭ – Do – Ré♭ – Mi♭ – Fa♭ – Sol♭ – La♭
Interval Structure
B♭
T
C
½T
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° | diminished |
| iii | D♭m | minor |
| iv | E♭m | minor |
| V+ | F♭+ | augmented |
| VI | G♭ | Major |
| VII | A♭ | Major |
About this scale
Mode VI of the melodic minor: Locrian with a major 2nd. It is the reference scale over half-diminished chords (iiø7) in jazz, preferred to Locrian whose b2 clashes with the root. Its b5 creates immediate tension demanding resolution.
See fretboard positions, piano and arpeggios for Bb Half Diminished in the interactive app.
Explore in ScalaBass →