Guitar, piano and ukulele chords

A7 chord (A dominant seventh)

The A7 chord (A dominant seventh) has 4 notes: A, C♯, E and G. It is a dominant seventh chord: a major chord with a minor seventh on top. It sounds tense and eager to resolve. It works as V7 in D major and VII7 in B minor.

How to play it on guitar

An x is a string you don't play and 0 is an open string. The number on the left is the fret where the shape starts.

×
Open
x02020
5fr
Barre chord · fret 5
575655
7fr ××
Easy version
xx7989

Notes in the chord

NoteInterval
ARoot
C♯Major third
EPerfect fifth
GMinor seventh

Inversions

  • Root position: A – C♯ – E – G
  • First inversion: C♯ – E – G – A
  • Second inversion: E – G – A – C♯
  • Third inversion: G – A – C♯ – E

On piano

The highlighted keys (A, C♯, E and G) make the chord in root position.

On ukulele

Usual shape
0100
4fr
Higher up the neck · fret 4
6754

Frequently asked questions

What notes are in the A7 chord?

A7 has 4 notes: A, C♯, E and G. It is a dominant seventh chord: a major chord with a minor seventh on top.

How do you play A7 on guitar?

The usual shape is x02020, read from the low E string to the high E string. If you can't play barre chords yet, start with the easy version: xx7989.

What keys is A7 in?

A7 is in D major (V7) and B minor (VII7).