A9 Piano
Learn the A Dominant 9 (A9) chord on piano: notes (A, C♯, E, G, B), intervals, fingering, diagram, and an interactive audio tool.
Enharmonic name: AQuick answer
A9 contains A, C♯, E, G, B. A rich and polished expansion of a dominant seventh.
Positions
Root position
A · C♯ · E · G · B
Inversion 1
C♯ · E · G · B · A
Inversion 2
E · G · B · A · C♯
Inversion 3
G · B · A · C♯ · E
Inversion 4
B · A · C♯ · E · G
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