C add9 piano chord
The C add9 chord, written Cadd9, on a keyboard. Its notes are C – E – G – D — free to print or download below.

Notes in the C add9 chord
The C add9 chord is built from the root, a major third, a perfect fifth and a major ninth, giving the notesC – E – G – D. On the keyboard diagram those keys are shaded so you can see the shape at a glance.
How to play the C add9 chord
- Find the notes. The C add9 chord uses the notes C – E – G – D. Locate each one on your keyboard using the diagram above.
- Place your fingers. In root position, play C – E – G – D together — thumb on the lowest note and the remaining fingers on the notes above.
- Play it as a block or broken. Play all the notes at once for a solid chord, or one after another for an arpeggio.
C add9 chord — frequently asked questions
What notes are in the C add9 chord?
The C add9 chord (Cadd9) is made up of the notes C – E – G – D — the root, a major third, a perfect fifth and a major ninth.
What is the chord symbol for C add9?
It is written as Cadd9. On a lead sheet or chord chart you would see "Cadd9" above the stave.
Is the C add9 chord diagram free to print?
Yes — print it or download the PDF or PNG for free, with no account or sign-up.