Dominant family
A♭ dominant ninth chord
A♭9A♭ dominant ninth
Piano root position
- Root
- 3
- 5
- ♭7
- 9
Guitar standard tuning
Barre · fret 4
Lay your index flat across strings 6 to 2 at fret 4.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- A♭1
- ♭2
- B♭9
- ♭3
- C3
- 4
- ♭5
- E♭5
- ♯5
- 6
- G♭♭7
- 7
- A♭ Root
- C Major 3rd
- E♭ Perfect 5th
- G♭ Minor 7th
- B♭ Major 9th
About this chord
What is an A♭ dominant ninth chord?
A♭9 is built from 5 notes: A♭ (the root), C (the 3), E♭ (the 5), G♭ (the ♭7), B♭ (the 9). The dominant seventh with a ninth: funky and full.
- Notes
- A♭ · C · E♭ · G♭ · B♭
- Formula
- 1 · 3 · 5 · ♭7 · 9
- Also written
- A♭dom9
- Found in
- Outside the major and minor keys
Neighbours
Chords close to A♭9
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All 348 chords
Every chord type on every root, each with its own page.
C
D♭
D
E♭
E
F
G♭
G
A♭
A
B♭