Cm9 piano chord (C minor 9th)
C – E♭ – G – B♭ – D
Formula 1 – ♭3 – 5 – ♭7 – 9
Cm9 inversions
An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.
Root position Cm9
C – E♭ – G – B♭ – D
1st inversion Cm9/E♭
E♭ – G – B♭ – D – C
2nd inversion Cm9/G
G – B♭ – D – C – E♭
3rd inversion Cm9/B♭
B♭ – D – C – E♭ – G
4th inversion Cm9/D
D – C – E♭ – G – B♭
Cm9 chord questions
What notes are in the C minor 9th chord?
Cm9 is C, E♭, G, B♭, D. Its formula is 1 – ♭3 – 5 – ♭7 – 9, counted from the root C.
How do you play Cm9 on piano?
With the right hand in root position, play C–E♭–G–B♭–D using all five fingers (1–5) (thumb on C). The full five-note shape spans more than an octave, so pianists usually play the root C in the left hand and E♭–G–B♭–D in the right.
What are the inversions of Cm9?
Root position: C–E♭–G–B♭–D; 1st inversion: E♭–G–B♭–D–C; 2nd inversion: G–B♭–D–C–E♭; 3rd inversion: B♭–D–C–E♭–G; 4th inversion: D–C–E♭–G–B♭.