G half-diminished seventh
Gm7b5 Piano Voicings
Gm7b5, the half-diminished chord, is the ii chord of a minor ii-V-i. Its lowered fifth gives the tense, unresolved colour that defines minor-key jazz.
Drill Gm7b5 in all 12 keysThe notes in Gm7b5
- G R
- Bb ♭3
- Db ♭5
- F ♭7
Gm7b5 voicings on piano
Each voicing is the exact shape the trainer drills. Press play to hear it — as a block chord or rolled note by note.
Root Position
G · Bb · Db · F R · ♭3 · ♭5 · ♭7
Shell Voicing
G · Bb · F R · ♭3 · ♭7
Rootless A
Bb · Db · F · A ♭3 · ♭5 · ♭7 · 9
Rootless B
F · A · Bb · Db ♭7 · 9 · ♭3 · ♭5
Where Gm7b5 fits in a ii-V-I
Gm7b5, the half-diminished chord, is the ii chord of a minor ii-V-i. Its lowered fifth gives the tense, unresolved colour that defines minor-key jazz.
The fastest way to internalise Gm7b5 is to drill it in context across all 12 keys until the shape is automatic.
Practice the full ii-V-I progressionGm7b5 — frequently asked questions
What notes are in Gm7b5?
Gm7b5 contains G, Bb, Db, F — root, minor third, diminished (flat) fifth and flat seventh.
What is Gm7b5 used for?
Gm7b5 most often appears as the ii chord in a minor ii-V-i, setting up the dominant that resolves to a minor tonic.