Chord · Triads
A — A Major
A is the A major chord. It is built on the root A with major 3rd (C♯) and perfect 5th (E) above it — the formula 1 3 5, sounding the notes A C♯ E. On the piano it sits at A (octave 3) and above in the library's voicing; the same 3 notes in any octave are still A.
- Root
- A
- Quality
- Major
- Formula
- 1 3 5
- Notes
- A C♯ E
On the keyboard
Right-hand fingering for this voicing: 1–3–5 (1 is the thumb).
The notes of A
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | A | root | A3 |
| 3 | C♯ | major 3rd | C♯4 |
| 5 | E | perfect 5th | E4 |
Other triads on A
Major chords on every root
Part of the chord reference. See also the scales and the keys.