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The A major chord on piano
A major is built from A, C♯, E. Press play above to hear it.
Now hear that chord in your own music
You just built one chord. Piano Aura lets you play it across a full piano, change the instrument behind it, put chords together into a progression, and record what you play before the idea slips away — all on your iPhone.
What notes are in the A major chord?
The A major chord is made up of A, C♯, E.
Notes & intervals
| A | Root |
| C♯ | Major third |
| E | Perfect fifth |
How to play it
Right hand
1-3-5
Left hand
5-3-1
Black keys: 1
Which keys use the A major chord?
A major occurs naturally in these keys: I of A major, VII of B minor, VI of C♯ minor, V of D major, IV of E major, III of F♯ minor.
How it sounds
A major chord sounds bright and settled — the sound most ears call "happy."