C sixth/ninth piano chord - C6/9

The C sixth/ninth chord is a 5-note chord consisting of the notes C, E, G, A and D.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as C6/9.

Interactive piano diagram for the C sixth/ninth chord

Piano keyboard displaying the C sixth/ninth chord with the notes B#CFbEGAD

Extended Chords

Chords that are a superset of C6/9. The chords include more notes but always C, E, G, A and D.

Reduced chords

Chords that are a subset of C6/9. These contain less notes but all of them are included in C6/9.

Scales with C6/9

Below you find all scales that include C6/9:

  • major blues
  • lydian dominant
  • lydian
  • mixolydian
  • major
  • bebop
  • bebop minor
  • bebop major
  • ichikosucho
  • composite blues
  • chromatic

C sixth/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 C6/9 chord. Feel free to save or share the image as needed.

Piano chord chart for the C sixth/ninth chord (C6/9). The notes C, E, G, A and D are highlighted.