The G-flat diminished seventh chord (abbreviated "Gbdim7 chord") is a four-note chord consisting of the notes G, B, D, and F. The chord is formed by adding a diminished seventh to a G-flat diminished chord.

Name
G-flat diminished seventh chord
Synonym
G-flat fully diminished chord
Notes
G B D F
Intervals
1 3 5 7
Chord symbol
Go7
Alternative symbols
Gdim7 Gdim Go
Type
Tetrad (four-note chord)

Gbdim7 chord on piano

Gbdim7 chord on guitar

Gbdim7 chord on ukulele

Gbdim7 chord on the staff