Aadd9 Piano
Learn the A Add 9 (Aadd9) chord on piano: notes (A, C♯, E, B), intervals, fingering, diagram, and an interactive audio tool.
Enharmonic name: AQuick answer
Aadd9 contains A, C♯, E, B. A clear, spacious extension of a major chord.
Positions
Root position
A · C♯ · E · B
Inversion 1
C♯ · E · B · A
Inversion 2
E · B · A · C♯
Inversion 3
B · A · C♯ · E
Notes
- ARoot
- C♯Major 3rd
- EPerfect 5th
- BMajor 9th
Intervals
Root · Major 3rd · Perfect 5th · Major 9th
Frequently asked questions
What notes are in Aadd9?
A · C♯ · E · B