Ukulele chord · Sevenths

G♭ half-diminished 7th chord on ukulele

1B𝄫4F♭2G♭3D𝄫

2423 · 2nd fret
All 6 shapes, tab & fingering ↓

6 ways to play G♭m7♭5 on ukulele, with finger positions, tabs and step-by-step instructions.

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.

Spell as F♯m7♭5
Notes
G♭B𝄫D𝄫F♭
Formula
1♭3♭5♭7
Built from
root · minor 3rd · diminished 5th · minor 7th

Ukulele

Standard G C E A tuning · 6 voicings · G string on the left

1B𝄫4F♭2G♭3D𝄫

How to play it · 2nd fret

  1. 4th string (G): 2nd fret, index finger (1) B𝄫
  2. 3rd string (C): 4th fret, pinky finger (4) F♭
  3. 2nd string (E): 2nd fret, middle finger (2) G♭
  4. 1st string (A): 3rd fret, ring finger (3) D𝄫

Tablature

A|--3---|
E|--2---|
C|--4---|
G|--2---|

Top line is the A string. x = don’t play, 0 = open string.

Every G♭m7♭5 note on the ukulele neck

Bright dots are the selected voicing — the rest are other places you can find the same chord tones.

GCEA123456789101112♭3♭5♭7R♭5♭7R♭3♭5♭7R♭3♭5♭7♭3♭5♭7R♭3

Tips for playing G♭m7♭5 on ukulele

On ukulele the usual G♭m7♭5 shape is 2423, using four fingers.

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.

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