Guitar chords in the key of E:
Chord E7-5 (2nd fret) notes: E, Bb, D and G#. You must leave out the 6th and 5th strings.
E dominant 7th flat 5th guitar chord's alternative names: E7b5, Edom7b5.
1(E), 3(G#/Ab), b5(A#/Bb), b7(D).