C minor/major ninth piano chord - CmM9

The C minor/major ninth chord is a 5-note chord consisting of the notes C, Eb, G, B and D.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as CmM9.

Interactive piano diagram for the C minor/major ninth chord

Piano keyboard displaying the C minor/major ninth chord with the notes B#CGCbBD#EbD

Reduced chords

Chords that are a subset of CmM9. These contain less notes but all of them are included in CmM9.

Scales with CmM9

Below you find all scales that include CmM9:

  • minor hexatonic
  • harmonic minor
  • melodic minor
  • lydian diminished
  • hungarian minor
  • minor bebop
  • minor six diminished
  • messiaen's mode #3
  • messiaen's mode #7
  • chromatic

C minor/major ninth piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the CmM9 chord. Feel free to save or share the image as needed.

Piano chord chart for the C minor/major ninth chord (CmM9). The notes C, Eb, G, B and D are highlighted.