Gm7b5 Guitar Chord
Gm7b5 (G half-diminished seventh) is a four-note chord made from G, Bb, Db and F. A half-diminished chord is a diminished triad with a minor seventh on top. It is the ii chord of a minor key, so it opens the minor ii-V-i that jazz leans on.
Gm7b5 G half-diminished seventh
Open position1 / 5
Notes
- G1
- Bbb3
- Dbb5
- Fb7
Built from the root G, the minor third Bb, the flat fifth Db and the minor seventh F.
How to play Gm7b5
Frets from low E to high E; x means don't play that string.
Easiest shape to start with: Open position (31302x). It has 1 open string, nothing above fret 3 and 1 muted string.
Keys with Gm7b5
Every note of Gm7b5 is in these keys. The numeral is its place in the key.
Major keys
- viiø7 in Ab major
Minor keys
- iiø7 in F minor