A chord on piano

The A chord diagram on piano, the notes it is built from, and the Alviena charts that use it.

The diagram

The notes in A

A · C# · E

The chord is built from 3 distinct pitches. A shape may double them an octave apart: the same note then appears more than once without changing the chord.

Charts that use A

Other A chords

The same colour, on another root

A on other instruments