BeginnerDominant 7th

A7 Chord

The A7 is a dominant 7th chord that sounds bluesy, tense, and yearning to resolve. Dominant 7th chords are the engine of blues and jazz. Their inherent tension wants to resolve, making them perfect for transitions and turnarounds.

Notes:ARoot (1)C#Major 3rd (3)EPerfect 5th (5)GMinor 7th (b7)

Open Position

A7✕23

Chord Diagrams

Open Position

No barre required

A7✕23

How to Play A7

Follow these steps for the open position fingering:

#StringInstructionNote
1Low E (6th string)✕Mute, do not play this string–
2A (5th string)○Open, play the open stringC#
3D (4th string)●Fret 2 with your middle fingerE
4G (3rd string)○Open, play the open stringG
5B (2nd string)●Fret 2 with your ring fingerA
6High E (1st string)○Open, play the open stringC#

○ = Open string (no fingers needed)

✕ = Muted string (don't play)

● = Press your finger down firmly just behind the fret

Notes in A7

The A7 chord is built from 4 distinct notes, each serving a harmonic role:

A
Root (1)
The root, gives the chord its name
C#
Major 3rd (3)
The major third, creates the bright sound
E
Perfect 5th (5)
The fifth, adds power and stability
G
Minor 7th (b7)
Extended tone, adds richness and color

Other A Chords

Explore other chord types built on the same root note:

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