C# Diminished (H-W) Guitar Scale
6-string guitar · 8 notes, symmetric · 8 notes · minor family
Notes
C♯
C♯♯
D♯♯
E♯
F♯♯
G♯
A♯
B
Solfège : Do♯ – Do♯♯ – Ré♯♯ – Mi♯ – Fa♯♯ – Sol♯ – La♯ – Si
Interval Structure
C♯
½T
C♯♯
T
D♯♯
½T
E♯
T
F♯♯
½T
G♯
T
A♯
½T
B
→
C♯+oct.
T
About this scale
The half-whole diminished scale is widely used in jazz and bebop on b9 dominant chords. Its initial half-step gives it an even tenser character. Jazz guitarists like John Scofield and Pat Martino exploit it on V7b9 for very expressive phrases.
See fretboard positions for C# Diminished (H-W) on guitar in the interactive app.
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