A7 chord on guitar

A Dominant Seventh. Notes: A, C#, E and G.

A7 guitar chord diagram, open position×2E53C#3AEGC#E
Open position · Easy

How to play A7

  1. Put your middle finger on the 4th (D) string at fret 2 (E).
  2. Put your ring finger on the 2nd (B) string at fret 2 (C#).
  3. Let the open A, G and high E strings ring.
  4. Don't play the low E string: skip it or mute it with a fretting finger.
  5. Strum from the A string down.
Lowest note: A (the root)Strings played: 5 of 6Other voicings: 3 below

All 4 ways to play A7

Easiest first. Tap play to hear each one.
A7 guitar chord, open position×2E53C#3AEGC#E

Open position

Easy
A7 guitar chord, barre at fret 2×1E51AR1C#32Gb7AEAC#G

Barre at fret 2

Medium
A7 guitar chord, fret 7 position7fr×1AR3E52Gb74C#3AAEGC#

Fret 7 position

Medium
A7 guitar chord, barre at fret 55fr1AR3E51Gb72C#31E51ARAEGC#EA

Barre at fret 5

Hard

Notes and theory

Aroot
C#3 · major third
E5 · perfect fifth
Gb7 · minor seventh

The dominant seventh adds a minor seventh to a major triad. It sounds restless and wants to resolve, which is why it shows up right before the home chord and all over blues. The formula is 1 3 5 b7, and you will also see it written as Adom7.

Keys that use A7

More A chords

All A guitar chords

dominant seventh chords in every key

Questions

What notes are in the A7 chord?

A7 (A dominant seventh) is made of four notes: A (root), C# (major third), E (perfect fifth) and G (minor seventh).

How do you play A7 on guitar?

The easiest A7 is the "open position" shape. Put your middle finger on the 4th (D) string at fret 2 (E). Put your ring finger on the 2nd (B) string at fret 2 (C#). Let the open A, G and high E strings ring.

Is A7 hard to play on guitar?

No. The easiest version is rated easy and uses 2 fretted notes plus open strings.

What key is A7 in?

A7 belongs to 2 keys: D major (as the V7 chord) and B minor (as the VII7 chord).

What does a dominant seventh chord sound like?

The dominant seventh adds a minor seventh to a major triad. It sounds restless and wants to resolve, which is why it shows up right before the home chord and all over blues.