|2||E or G||1||8th fretfr.||optionalopt.|
Guitar chords in the key of A:
Chord A7 (5th fret) notes: A, E, G, C#, E or (G) and A.
This chord is played by placing a barre on fret five with your index finger. The note G on the second string is not required, but can be played on the 8th fret if needed.
A dominant 7th chord's alternative names: Adom7, (A septim).
1(A), 3(C#/Db), 5(E), b7(G).