G♯dim7

G♯1B♭3D♭5F♭♭7

Three minor thirds stacked. The seventh is doubly diminished, which is why it is written with a double flat.

Written the other way round it is A♭dim7 — the same twelve keys on a piano, a different piece of notation.

on ukulele on piano the scale

Every fingering that fits a hand

Fig. 2

420101

moderate

Fig. 3

420401

moderate

Fig. 4

45340x

hard

Fig. 5

45046x

hard

Fig. 6

456464

hard · barre

What is true of it

G♯dim7 is G♯, B, D and F — 1, b3, b5 and bb7 counted from G♯.

The easiest of the 5 fingerings below is 420101: 4 fingers, held at the 1st fret.

None of them uses an open string, so this chord moves up the neck unchanged — the same shape 1 fret higher is the chord a semitone above.

1 of the 5 need a barre.

Where its notes are on the neck

Fig. 7 — first 12 frets

The brass dots are G♯, the root. Everything else is a chord tone with its degree printed in it.

With a different note underneath

first inversion

G♯dim7/B

x20101

second inversion

G♯dim7/D

xx0101

third inversion

G♯dim7/F

120101

An inversion is the same chord with a different note lowest. The name changes to a slash name because the bass is what a listener hears as the foundation.

G♯ in other shapes

G♯7dominant seventh G♯maj7major seventh G♯m7minor seventh G♯major G♯mminor G♯dimdiminished

Cdim7 C♯dim7 D♭dim7 Ddim7 D♯dim7 E♭dim7 Edim7 Fdim7 all 374