C9 Piano
Learn the C Dominant 9 (C9) chord on piano: notes (C, E, G, B♭, D), intervals, fingering, diagram, and an interactive audio tool.
Enharmonic name: CQuick answer
C9 contains C, E, G, B♭, D. A rich and polished expansion of a dominant seventh.
Positions
Root position
C · E · G · B♭ · D
Inversion 1
E · G · B♭ · D · C
Inversion 2
G · B♭ · D · C · E
Inversion 3
B♭ · D · C · E · G
Inversion 4
D · C · E · G · B♭
Notes
- CRoot
- EMajor 3rd
- GPerfect 5th
- B♭Minor 7th
- DMajor 9th
Intervals
Root · Major 3rd · Perfect 5th · Minor 7th · Major 9th
Frequently asked questions
What notes are in C9?
C · E · G · B♭ · D