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A♭7♯9♯5 chord

A♭ Dominant 7th #9 #5

Ab7#9#5 · Root

1Ab33C4#5E4b7Gb4#9B4
3C4#5#9C5C61b7

Every chord tone stacked from the root up.

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Notes

A♭ – C – E – G♭ – B

Formula

1 – 3 – #5 – b7 – #9

Practice Note

This altered dominant combines two sharp tensions and most often drives a V–I resolution. The altered scale is a natural choice; the root may be left to the bass when a bassist supplies it.

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About Ab7#9#5

The Ab7#9#5 chord sounds distinctive, with a dominant 7th #9 #5 character. Its notes are Ab, C, E, Gb, B.

All Ab chords (61)

Triads

7ths

Extended

Altered