|2||A or C||1||13th fretfr.||optionalopt.|
Guitar chords in the key of D major:
Chord D7 (10th fret) notes: D, A, C, F#, A or (C) and D.
This chord is played by placing a barre on fret ten with your index finger. The note C on the second string is not required, but can be played on the 13th fret if needed.
D dominant 7th chord's alternative names: Ddom7, (D septim).
1(D), 3(F#/Gb), 5(A), b7(C).