THEORY HELPERC# Half Diminished (Locrian ♮2) Scale
Minor 7 flat 5 sound
What is the C# Half Diminished (Locrian ♮2) Scale?
The Half Diminished scale (Locrian ♮2) is the 6th mode of melodic minor, providing another sophisticated option for m7b5 chords. The natural 2nd creates more melodic possibilities than standard Locrian.
Interval Pattern: W-H-W-H-W-W-W
Scale Notes and Intervals
C# Half Diminished (Locrian ♮2)
MelancholicC# 1
D# 2
E 3
F# 4
G 5
A 6
B 7
Notes:
C# -D# -E -F# -G -A -B
Intervals:
WHWHWW W
Keyboard Visualization
How to Play C# Half Diminished (Locrian ♮2) on Piano
Scale Properties
Mood
MelancholicCharacter
Minor 7 flat 5 soundGenres
Jazz, FilmNotes in Scale
7 notes: C#, D#, E, F#, G, A, BCategory
JazzIntervals
W-H-W-H-W-W-WHistory and Origins
The Background of the Half Diminished (Locrian ♮2) Scale
Jazz musicians developed this as an alternative to Locrian ♮6 for half-diminished chords. It offers different melodic possibilities and is particularly effective in certain harmonic contexts.
Musical Characteristics
Key Features of the C# Half Diminished (Locrian ♮2) Scale
- Locrian with natural 2nd
- Melodic option for m7b5
- 6th mode of melodic minor
- Less dark than pure Locrian
Famous Songs Using This Scale
Popular Tracks in C# Half Diminished (Locrian ♮2)
- Jazz standards over half-diminished chords
- Film noir themes
- Modern jazz compositions
Playing Tips
How to Practice the C# Half Diminished (Locrian ♮2) Scale
Think melodic minor up a major 3rd. The natural 2nd provides different melodic options than Locrian ♮6. Compare both scales to find which works better in different contexts.
Circle of Fifths Position
C# in the Circle of Fifths
Major
Minor
Selected