A 9th piano chord
The A 9th chord, written A9, on a keyboard. Its notes are A – C♯ – E – G – B — free to print or download below.
Notes in the A 9th chord
The A 9th chord is built from the root, a major third, a perfect fifth, a minor seventh and a major ninth, giving the notesA – C♯ – E – G – B. On the keyboard diagram those keys are shaded so you can see the shape at a glance.
How to play the A 9th chord
- Find the notes. The A 9th chord uses the notes A – C♯ – E – G – B. Locate each one on your keyboard using the diagram above.
- Place your fingers. In root position, play A – C♯ – E – G – B 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.
A 9th chord — frequently asked questions
What notes are in the A 9th chord?
The A 9th chord (A9) is made up of the notes A – C♯ – E – G – B — the root, a major third, a perfect fifth, a minor seventh and a major ninth.
What is the chord symbol for A 9th?
It is written as A9. On a lead sheet or chord chart you would see "A9" above the stave.
Is the A 9th chord diagram free to print?
Yes — print it or download the PDF or PNG for free, with no account or sign-up.