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The A diminished chord on piano
A diminished is built from A, C, D♯. Press play above to hear it.
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What notes are in the A diminished chord?
The A diminished chord is made up of A, C, D♯.
Notes & intervals
| A | Root |
| C | Minor third |
| D♯ | Diminished fifth |
How to play it
Right hand
1-3-5
Left hand
5-3-1
Black keys: 1
Which keys use the A diminished chord?
A diminished occurs naturally in these keys: vii° of A♯ major, ii° of G minor.
Which keys use it
How it sounds
A diminished chord sounds tense and unstable — it wants to resolve somewhere else.