A dominant ninth chord on piano
A dominant ninth is A, C#, E, G and B.
- Symbol
- A9
- Formula
- R 3 5 b7 9
Inversions
A9/C#
First inversion, C# in the bass: C#4 E4 G4 A4 B4
A9/E
Second inversion, E in the bass: E4 G4 A4 B4 C#5
A9/G
Third inversion, G in the bass: G4 A4 B4 C#5 E5
A9/B
Fourth inversion, B in the bass: B4 C#5 E5 G5 A5