About the G thirteen flat nine chord
G thirteen flat nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as a G dominant thirteenth flat nine chord.
Its notes are G, B, D, F, A♭, C, and E. The intervals are a major third, a perfect fifth, a minor seventh, a minor ninth, a perfect eleventh, and a major thirteenth.
Inversions
G thirteen flat nine (root position)
Notes and intervals
| 1 | G | Root |
|---|---|---|
| 2 | B | Major 3rd |
| 3 | D | Perfect 5th |
| 4 | F | Minor 7th |
| 5 | A flat | Minor 9th |
| 6 | C | Perfect 11th |
| 7 | E | Major 13th |
Shapes
Chromatic
Circle of Fifths
Other G chords
Simpler triads
Suspended
G suspended two chordG suspended four chordG seven suspended four chordG nine suspended four chordG thirteen suspended four chord
Sixths and sevenths
G six chordG minor six chordG minor flat six chordG seven chordG major seven chordG minor seven chordG minor seven flat five chordG diminished seven chordG minor major seven chordG major seven flat five chordG major seven sharp five chordG minor major seven flat five chord
Extensions
G nine chordG add nine chordG major nine chordG minor nine chordG eleven chordG thirteen chordG six nine chordG minor add nine chordG major eleven chordG major thirteen chordG minor eleven chordG minor thirteen chordG minor six nine chordG minor major nine chordG minor major eleven chord
Altered
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