About the G flat minor major thirteen chord
G flat minor major thirteen sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as a G♭ minor-major thirteenth chord.
Its notes are G♭, A, D♭, F, A♭, C♭, and E♭. The intervals are a minor third, a perfect fifth, a major seventh, a major ninth, a perfect eleventh, and a major thirteenth.
Also called F sharp minor major thirteen, which spells the same notes enharmonically. In shorthand it is commonly written GbmMaj13.
Inversions
Position 1 of 7
G flat minor major thirteen (root position)
Notes and intervals
| 1 | GbG♭ | Root |
|---|---|---|
| 2 | AA | Minor 3rd |
| 3 | DbD♭ | Perfect 5th |
| 4 | FF | Major 7th |
| 5 | AbA♭ | Major 9th |
| 6 | CbC♭ | Perfect 11th |
| 7 | EbE♭ | Major 13th |
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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