Guitar chords in the key of E:
Chord E7 (9th fret) notes: B, E, G# and D. You must leave out the 6th and 5th strings.
This chord is played by placing a barre on fret nine with your index finger.
E dominant 7th chord's alternative names: Edom7, (E septim).
1(E), 3(G#/Ab), 5(B), b7(D).