|6||x or G||3rd fretfr.||optionalopt.|
|1||x or G||3rd fretfr.||optionalopt.|
Guitar chords in the key of C major:
Chord C9 notes: (G), C, E, Bb, D and (G).
Two notes - G (on the sixth string) and G (on the first string) - are optional.
C dominant 9th guitar chord's steps:
1(C), 3(E), 5(G), b7(A#/Bb), 9(D).