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A7 Chord Guitar

A blues and folk staple that leans toward D.

The V7 in the key of D, giving progressions a strong pull to resolve.
A blues and folk staple.
Often used as a passing chord between A major and D.
Its unstable character makes it a natural setup chord.

Root3rd5th7th

E6th

FretMuted

Finger—

A5th

FretOpen

FingerOpen

D4th

Fret2

Finger1

G3rd

FretOpen

FingerOpen

B2nd

Fret2

Finger2

e1st

Fret3

Finger3

Notes: A – E – G – C# · Formula: 1 – 3 – 5 – ♭7

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Questions about A7

What notes are in a A7 chord?

A A7 chord contains the notes A, E, G, C#. It is built from the dominant 7th formula 1 - 3 - 5 - ♭7, with A as the root.

What chord does A7 resolve to?

D major. A7 is the V7 in the key of D, so its seventh pulls the ear toward a D resolution — which is why the A7–D move is so common in blues and folk rhythm playing.

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