A♭9
A♭ dominant ninth
Notes
A♭ – C – E♭ – G♭ – B♭
Formula
1 – 3 – 5 – ♭7 – 9
A dominant seventh chord with a major ninth on top.
To build A♭9, start on A♭ and stack the intervals 3, 5, ♭7, 9 above it.
On piano
On guitar
Shapes generated and checked against the chord engine, standard tuning.
4–3–4–3–4–4Open in Explorer
Fret 4
Fret 4
Fret 3
Fret 4
Fret 3
Fret 4
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x–11–10–11–11–11Open in Explorer
Fret 11
Fret 11
Fret 11
Fret 10
Fret 11
✕Muted
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