Fretwise Get the app

Guitar chord · Dominant 7#5b9

Ab7#5b9 chord (Ab Dominant 7#5b9)

Dominant 7th with a raised 5th and a flat 9th: an altered dominant, tense and bright.

Notes AbCEGbA
Formula 1 3 ♯5 ♭7 ♭9
Shapes 2 on this page

Ab7#5b9 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, Ab.

6th String Root 4 x 4 5 5 5
5th String Root x 11 10 11 10 12

Interactive chord diagram

Ab7#5b9 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕

Tap any note to hear it.

Scales to play over Ab7#5b9

These scales start on Ab and contain every note of the chord, so they fit when Ab7#5b9 is the chord of the moment.

Fretwise · Free on iPhone & Android

Practise Ab7#5b9 and every other chord anywhere, even offline.

This page is a small slice of Fretwise. The app adds practice: exercises that play as tab, a new routine every day, and the tools to tune and keep time. On iPhone, iPad and Android, no sign-up.

Free

  • 65 scales and 56 chord types in every key, with CAGED shapes
  • A tuner with 10 tunings and a metronome from 30 to 260 BPM
  • A new Daily 15 routine every day, plus free exercises
  • Maqam & makam between the frets, and the Name the Note quiz

One purchase

  • 282 exercises that play as tab, and routines with a speed trainer
  • Chord & Scale Finder: tap the neck, get the name
  • Theory Lab and the Progression Builder with 51 genre loops
  • No subscription, ads removed

Questions

What notes are in a Ab7#5b9 chord?
Ab7#5b9 is Ab, C, E, Gb, A: the 1, 3, ♯5, ♭7, ♭9 of Ab.
How do you play Ab7#5b9 on guitar?
6th String Root: 4 x 4 5 5 5; 5th String Root: x 11 10 11 10 12 (low E to high E, x = don't play the string).
What scale goes with Ab7#5b9?
Scales on Ab that contain every note of Ab7#5b9: Ab Phrygian Dominant, Ab Altered, Ab Phrygian b4, Ab Enigmatic.

Dominant 7#5b9 chords in every key

More Ab chords