Gm7b5 Piano Chord
A key chord of minor jazz. Naturally occurs as the II degree in minor keys (in ii–V–i progressions). Less tense than the fully diminished seventh chord.
Recommended voicing
G4 · Bb4 · C#5 · F5
With bass · rootless
Left hand
C#3 · F3 · Bb3
fingers 5–3–1
Right hand
Free
melody / improvisation
Jazz accompaniment with a bass player: the bass supplies the root, leaving the right hand free for melody or improvisation.
Notation for Gm7b5 chord
Other names: G minor 7th flat 5, G half-diminished, Gø7, G m7♭5
Music theory name: half-diminished seventh chord
Common name: G half-diminished chord
Intervals and tones in Gm7b5 chord
| Note | Interval |
|---|---|
| G | Root |
| B | Minor 3rd |
| C# | Diminished 5th |
| F | Minor 7th |
Inversions
1st inversion
Bb4 · C#5 · F5 · G5
2nd inversion
C#5 · F5 · G5 · Bb5