Electric guitar · Ninth chord

A#9 Ninth

Key: D# Major
Easy
Open chord

A#9 is the A# ninth chord on electric guitar, made of the notes A# · D · F · G# · C.

Position 1 of 4Main

Notes

A#
D
F
G#
C

Structure

1
3
5
♭7
9

Sound: Dominant ninth; Rich, funk and jazz
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of D# Major

Degree	Chord	Function
I	D#	Tonic
ii	Fm	Subdominant
iii	Gm	Tonic relative
IV	G#	Subdominant
V	A#	Dominant
vi	Cm	Tonic relative
vii°	Ddim	Dominant

How to play

1Place your index finger on fret 1 of string 5.
2Place your middle finger on fret 1 of string 3.
3Place your middle finger on fret 1 of string 2.
4Place your middle finger on fret 1 of string 1.
5Let string 4 ring open.
6Don't play string 6.
7Strum from string 5 down.