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 G major. In minor keys: iiø7 in E minor.
- Notes
- G♭B𝄫D𝄫F♭
- Formula
- 1♭3♭5♭7
- Built from
- root · minor 3rd · diminished 5th · minor 7th
Piano
Root position · numbers are finger numbers
How to play it
Right handG♭1 · thumbB𝄫2 · indexD𝄫3 · 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 one black key (G♭) and three white keys.
Notice the B𝄫 in G♭m7♭5 (G♭ B𝄫 D𝄫 F♭): each note of the chord takes its own letter (G–B–D–F), so the minor 3rd has to be written B𝄫 rather than A — the same key on a piano, spelled to fit the chord.