Gm7♭5
G Half-Diminished
1 ♭3 ♭5 ♭7

Notes in Gm7♭5

GR
B♭♭3
C♯♭5
F♭7

The Gm7♭5 chord contains 4 notes: G, B♭, C♯, F

Intervals

IntervalSemitonesNoteFunction
R0GRoot
♭33B♭Minor 3rd
♭56C♯Diminished 5th
♭710FMinor 7th

About G Half-Diminished Chords

Half-diminished chords (minor 7 flat 5) combine a diminished triad with a minor 7th. They serve as the ii chord in minor key ii-V-i progressions, making them essential for jazz musicians. The sound is dark but more stable than fully diminished.

Compatible Scales & Modes

These scales contain all the notes of Gm7♭5 and can be used for soloing, improvising, and writing melodies over this chord.

G Locrian
The natural mode for half-diminished chords — every chord tone is a scale tone.
G Locrian ♯2
A common jazz alternative — the natural 2nd adds melodic possibilities.

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