Chord · 9ths
Gdim7/9 — G Diminished 7th / 9th
Gdim7/9 is the G diminished 7th / 9th chord. It is built on the root G with minor 3rd (B♭), diminished 5th (D♭), major 6th (E) and major 9th (A) above it — the formula 1 ♭3 ♭5 6 9, sounding the notes G B♭ D♭ E A. On the piano it sits at G (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Gdim7/9.
- Root
- G
- Quality
- Diminished 7th / 9th
- Formula
- 1 ♭3 ♭5 6 9
- Notes
- G B♭ D♭ E A
On the keyboard
The notes of Gdim7/9
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | G | root | G4 |
| ♭3 | B♭ | minor 3rd | B♭4 |
| ♭5 | D♭ | diminished 5th | D♭5 |
| 6 | E | major 6th | E5 |
| 9 | A | major 9th | A5 |
Other 9ths on G
Diminished 7th / 9th chords on every root
Part of the chord reference. See also the scales and the keys.