A9 Piano Chord — Chart, Notes and Inversions
Short answer: A9 is a A Dominant 9 chord containing the notes A, C♯, E, G, B. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.
Also known as: A7/9, A79, A97, A dom9
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How to Play A9 on Piano
A9, A7/9, A79, A97, Adom9
Notes: A, C♯, E, G, B
A9, A7/9, A79, A97, Adom9 (1st inversion)
Notes: C♯, E, G, A, B
A9, A7/9, A79, A97, Adom9 (2nd inversion)
Notes: E, G, A, B, C♯
A9, A7/9, A79, A97, Adom9 (3rd inversion)
Notes: G, A, B, C♯, E
Quick Summary
- The A9 chord contains the notes: A, C♯, E, G, B
- It has 4 inversions, each rearranging the same notes
- Also written as: A7/9, A79, A97, A dom9
- Use the keyboard diagrams above to see exact finger positions
Frequently Asked Questions
What is the A9 chord on piano?
A9 is a A Dominant 9 chord. It contains the notes A, C♯, E, G, B. On piano, play these notes simultaneously to sound the chord.
How do you play A9 on piano?
To play A9 on piano, press the keys A, C♯, E, G, B together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.
What notes are in the A9 chord?
The A9 chord contains the notes: A, C♯, E, G, B.
What are the inversions of A9?
A9 has 4 inversions. Each inversion rearranges the notes so a different note is at the bottom. The root position starts with the root note, the first inversion moves it to the top, and so on.
What are other names for A9?
A9 is also known as A7/9, A79, A97, A dom9. These are different notations for the same chord with the same notes: A, C♯, E, G, B.