Guitar · Thirteenth chord

A13 Thirteenth

Key: D Major
Easy
Open chord

A13 is the A thirteenth chord on guitar, made of the notes A · C# · E · G · B · F#.

Position 1 of 3Main

Notes

A
C#
E
G
B
F#

Structure

1
3
5
♭7
9
13

Sound: Dominant thirteenth; Full, sophisticated
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of D Major

Degree	Chord	Function
I	D	Tonic
ii	Em	Subdominant
iii	F#m	Tonic relative
IV	G	Subdominant
V	A	Dominant
vi	Bm	Tonic relative
vii°	C#dim	Dominant

How to play

1Place your index finger on fret 2 of string 4.
2Place your middle finger on fret 2 of string 2.
3Place your ring finger on fret 2 of string 1.
4Let strings 5, 3 ring open.
5Don't play string 6.
6Strum from string 5 down.