Chord Colors

A flat flat nine suspended four chord

About the A flat flat nine suspended four chord

A flat flat nine suspended four is used in E Major, where every note it holds is a scale tone. Think of it as an A suspended fourth chord with a flat ninth.

Its notes are A, D, E, and A. The intervals are a perfect fourth, a perfect fifth, and a minor ninth.

Also called G sharp flat nine suspended four, which spells the same notes enharmonically.

Inversions

A flat flat nine suspended four (root position)

Notes and intervals

1A flatRoot
2D flatPerfect 4th
3E flatPerfect 5th
4AMinor 9th

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Other A flat chords

Simpler triads

Suspended

Sixths and sevenths

Extensions

Altered

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A♭(♭9)sus4 chord on piano shown as colored note dots
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