C 9th Piano Chord Chart
Notes: C - E - G - Bb - D
Formula: 1 - 3 - 5 - ♭7 - 9
Intervals: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th
C9
Quick answer
The C9 piano chord uses the keys C, E, G, Bb, D. Play all 5 notes together for the full C 9th sound.
- Piano keys
- C, E, G, Bb, D
- Formula
- 1 - 3 - 5 - ♭7 - 9
- Chord tone count
- 5 notes
Keys to Play
White keys: C, E, G, D
Black keys: Bb
Play all 5 notes simultaneously with your right hand.
About 9th Chords
A dominant 7th chord with an added 9th. 9th chords sound rich and funky, essential in funk, R&B, jazz, and blues. They add more color than a basic 7th chord.
C 9th Piano Chord FAQ
What notes are in the C 9th piano chord?
The C 9th piano chord uses the notes C, E, G, Bb, D.
Which piano keys do you press for C9?
Press C, E, G, Bb, D and play all 5 notes together.
What is the formula for C 9th?
The C 9th formula is 1 - 3 - 5 - ♭7 - 9: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th.