Gbdim chord
Gb diminished
<
1 / 20
>G
Gb
G
Ab
Ab3
Bb
B
C
Db
D
Eb
E
F
Gb
G
A
C
Cb5
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
C
C
E
Eb
E
F
Gb1
G
Ab
A
Bb
B
C
Db
D
Eb
E
Gb
A
Ab
Ab3
Bb
B
C
Db
D
Eb
E
F
Gb
G
Ab
A
A
3
5
7
10
The Gbdim chord has the formula 1, b3, b5 with notes Gb, A, C
The diminished chord is a variation of the minor chord with a flat 5th note. It is less common in popular music due to its high tension, but can sometimes be used as a bridge between two chords to emphasize the release of tension.