C minor ninth
Cm9 Piano Voicings
Cm9 adds the ninth to Cm7 for a warm, contemporary minor sound. It is a favourite ii chord and minor tonic in modal jazz and neo-soul.
Drill Cm9 in all 12 keysThe notes in Cm9
- C R
- Eb ♭3
- G 5
- Bb ♭7
- D 9
Cm9 voicings on piano
Each voicing is the exact shape the trainer drills. Press play to hear it — as a block chord or rolled note by note.
Root Position
C · Eb · G · Bb · D R · ♭3 · 5 · ♭7 · 9
Shell Voicing
C · Eb · Bb R · ♭3 · ♭7
Rootless A
Eb · G · Bb · D ♭3 · 5 · ♭7 · 9
Rootless B
Bb · D · Eb · G ♭7 · 9 · ♭3 · 5
Where Cm9 fits in a ii-V-I
Cm9 adds the ninth to Cm7 for a warm, contemporary minor sound. It is a favourite ii chord and minor tonic in modal jazz and neo-soul.
The fastest way to internalise Cm9 is to drill it in context across all 12 keys until the shape is automatic.
Practice the full ii-V-I progressionCm9 — frequently asked questions
What notes are in Cm9?
Cm9 contains C, E♭, G, B♭ and D — root, minor third, fifth, flat seventh and ninth.
What is the rootless voicing for Cm9?
A rootless Cm9 voicing plays E♭, G, B♭, D — third, fifth, seventh and ninth — letting the bassist cover the root.