About the G flat diminished seven flat nine chord
G flat diminished seven flat nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as a G♭ diminished seventh flat nine chord.
Its notes are G♭, A, C, E♭, and G. The intervals are a minor third, a diminished fifth, a diminished seventh, and a minor ninth.
Also called F sharp diminished seven flat nine, which spells the same notes enharmonically. In shorthand it is commonly written Gbdim7(b9).
Positions
No stored guitar shape for this voicing yet. Build it from G♭, A, C, E♭, G.
Notes and intervals
| 1 | G flat | Root |
|---|---|---|
| 2 | A | Minor 3rd |
| 3 | C | Diminished 5th |
| 4 | E flat | 7d |
| 5 | G | Minor 9th |
Shapes
Chromatic
Circle of Fifths
Other G flat chords
Simpler triads
Suspended
G flat suspended two chordG flat suspended four chordG flat seven suspended four chordG flat nine suspended four chordG flat thirteen suspended four chord
Sixths and sevenths
G flat six chordG flat minor six chordG flat minor flat six chordG flat seven chordG flat major seven chordG flat minor seven chordG flat minor seven flat five chordG flat diminished seven chordG flat minor major seven chordG flat major seven flat five chordG flat major seven sharp five chordG flat minor major seven flat five chord
Extensions
G flat nine chordG flat add nine chordG flat major nine chordG flat minor nine chordG flat eleven chordG flat thirteen chordG flat six nine chordG flat minor add nine chordG flat major eleven chordG flat major thirteen chordG flat minor eleven chordG flat minor thirteen chordG flat minor six nine chordG flat minor major nine chordG flat minor major eleven chord
Altered
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