Guitar chords in the key of G:
Chord G7-9 v.2 notes: G, B, D, Ab, D and F.
This chord is played by placing a barre on fret one with your index finger. The string 4 (D) is left open.
G7-9 (G dominant 7th flat 9th) guitar chord's alternative names: G7b9, Gdom7b9, Gdom7-9.
1(G), 3(B), 5(D), b7(F), b9(G#/Ab).