About the A flat minor seven flat five nine chord
A flat minor seven flat five nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as an A♭ half-diminished seventh chord with an added ninth.
Its notes are A♭, C♭, D, G♭, and B♭. The intervals are a minor third, a diminished fifth, a minor seventh, and a major ninth.
Also called G sharp minor seven flat five nine, which spells the same notes enharmonically.
Inversions
A flat minor seven flat five nine (root position)
Notes and intervals
| 1 | A flat | Root |
|---|---|---|
| 2 | C flat | Minor 3rd |
| 3 | D | Diminished 5th |
| 4 | G flat | Minor 7th |
| 5 | B flat | Major 9th |
Shapes
Chromatic
Circle of Fifths
Other A flat chords
Simpler triads
Suspended
A flat suspended two chordA flat suspended four chordA flat seven suspended four chordA flat nine suspended four chordA flat thirteen suspended four chord
Sixths and sevenths
A flat six chordA flat minor six chordA flat minor flat six chordA flat seven chordA flat major seven chordA flat minor seven chordA flat minor seven flat five chordA flat diminished seven chordA flat minor major seven chordA flat major seven flat five chordA flat major seven sharp five chordA flat minor major seven flat five chord
Extensions
A flat nine chordA flat add nine chordA flat major nine chordA flat minor nine chordA flat eleven chordA flat thirteen chordA flat six nine chordA flat minor add nine chordA flat major eleven chordA flat major thirteen chordA flat minor eleven chordA flat minor thirteen chordA flat minor six nine chordA flat minor major nine chordA flat minor major eleven chord
Altered
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