C# Half Diminished Scale
4-string bass · = Locrian · 7 notes · minor family
Notes
C♯
D
E
F♯
G
A
B
Solfège : Do♯ – Ré – Mi – Fa♯ – Sol – La – Si
Interval Structure
C♯
½T
D
T
E
T
F♯
½T
G
T
A
T
B
→
C♯+oct.
T
Scale Chords (triads)
| Degree | Chord (in C#) | Quality |
|---|---|---|
| i° | C♯° | diminished |
| II | D | Major |
| iii | Em | minor |
| iv | F♯m | minor |
| V | G | Major |
| VI | A | Major |
| vii | Bm | minor |
About this scale
The half-diminished scale is equivalent to the Locrian mode. It defines half-diminished chords (iiø7) and is used to improvise over them in jazz cadences. Its b5 creates immediate tension demanding resolution.
See fretboard positions for C# Half Diminished in the interactive app.
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