Piano chord
G diminished 7 chord
Gdim7 is a diminished seventh chord: the root G, a minor 3rd up to B♭, a diminished 5th up to D♭ and a diminished 7th up to F♭.
- Symbol
- Gdim7
- Notes
- G – B♭ – D♭ – F♭
Play it yourself
Tap G, B♭, D♭ and F♭ on the keys below, in any order.
- G
- B♭
- D♭
- F♭
Diminished seventh chords stack three minor thirds. Every note is the same distance apart, which makes them very tense and a favourite for dramatic moments.
Inversions of Gdim7
An inversion keeps the same notes but puts a different one at the bottom. Pianists use them to move between chords with less jumping.
- Root position
G – B♭ – D♭ – F♭
- 1st inversion · Gdim7/B♭
B♭ – D♭ – F♭ – G
- 2nd inversion · Gdim7/D♭
D♭ – F♭ – G – B♭
- 3rd inversion · Gdim7/F♭
F♭ – G – B♭ – D♭
Keys with Gdim7
Gdim7 doesn't occur naturally in a major or natural minor key. It's used as a colour chord, borrowed or altered.