A9 Ukulele
Learn the A Dominant 9 (A9) chord on ukulele: notes (A, C♯, E, G, B), intervals, fingering, diagram, and an interactive audio tool.
Quick answer
A9 contains A, C♯, E, G, B. A rich and polished expansion of a dominant seventh.
Positions
Main shape
- 4 string G
- Fret 4 · finger 1
- 3 string C
- Fret 7 · finger 4
- 2 string E
- Fret 5 · finger 3
- 1 string A
- Fret 4 · finger 2
Position 2
- 4 string G
- Fret 12 · finger 3
- 3 string C
- Fret 11 · finger 2
- 2 string E
- Fret 9 · finger 1
- 1 string A
- Fret 12 · finger 4
Notes
- ARoot
- C♯Major 3rd
- EPerfect 5th
- GMinor 7th
- BMajor 9th
Intervals
Root · Major 3rd · Perfect 5th · Minor 7th · Major 9th
Frequently asked questions
What notes are in A9?
A · C♯ · E · G · B
Which scales contain every note in A9?
The song key and surrounding chords determine which compatible choice fits in context.