Piano chord · Sevenths

G♯ half-diminished 7th chord on piano

Right hand: G♯ (1), B (2), D (3), F♯ (5)

How to play G♯m7♭5 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.

Dark and unresolved; often the ii chord in a minor key.

G♯m7♭5 is the viiø7 chord in A major. In minor keys: iiø7 in F♯ minor.

Spell as A♭m7♭5
Notes
G♯BDF♯
Formula
1♭3♭5♭7
Built from
root · minor 3rd · diminished 5th · minor 7th

Piano

Root position · numbers are finger numbers

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How to play it

Right handG♯1 · thumbB2 · indexD3 · middleF♯5 · pinky

Left handG♯5 · pinkythe root, an octave lower

Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.

Tips for playing G♯m7♭5 on piano

On piano, G♯m7♭5 has two black keys (G♯ and F♯) and two white keys.

G♯m7♭5 piano chord diagram (G♯ half-diminished 7th)
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