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Guitar chord
A7 Chord
A7 is a dominant 7th chord rooted on A. A major triad with a flattened 7th on top. Restless by design — it wants to resolve, which is why blues and every V chord lives here.
The notes
Every A7 chord anywhere on the neck is some arrangement of these 4 notes.
A1
C♯3
E5
G♭7
How to play it
4 shapes, low on the neck to high. Tap any diagram to hear it. Green marks the root.