A major chord

The A major chord (A) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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A1C#3E5

About the major chord

The root, a major third and a perfect fifth. The basic bright chord.

Formula: 1 3 5. Used in: Everywhere: pop, house, rock, gospel.

A inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Keys with A

A is the V chord in D major, IV chord in E major, I chord in A major, VI chord in C# minor, III chord in F# minor and VII chord in B minor.

It also appears in E Dorian (IV), F# Dorian (III), B Dorian (VII), C# Phrygian (VI), F# Phrygian (III), G# Phrygian (II), D Lydian (V), G Lydian (II), A Lydian (I), E Mixolydian (IV), A Mixolydian (I), B Mixolydian (VII).

Build a progression around it in the chord progression generator.

More A chords

Other major chords

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Questions

What notes are in a A major chord?

A, C#, E.

What is the formula of a major chord?

1 3 5. The root, a major third and a perfect fifth. The basic bright chord.

What key is A in?

A is a chord in D major (V), E major (IV), A major (I), C# minor (VI).

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