A#add9 chord on 6-String Guitar – Open C

in Open C (C-G-C-G-C-E) tuning

Root

Type

Tuning

A#add9

Add 9

Notes:A# · D · F · C

medium

Piano Left hand Right hand

Fingerings (16)

A#add9 shapes as text

Frets	Fingers	Notes	Difficulty
x 3 0 3 2 1	– 3 – 4 2 1	x A# C A# D F	medium
x 3 2 5 2 x	– 2 1 3 1 –	x A# D C D x	medium · barre on fret 2
5 5 5 7 5 6	1 1 1 3 1 2	F C F D F A#	medium · barre on fret 5
10 7 0 10 0 6	3 2 – 4 – 1	A# D C F C A#	hard
10 7 10 7 0 8	3 1 4 1 – 2	A# D A# D C C	medium · barre on fret 7
10 10 0 10 0 10	1 2 – 3 – 4	A# F C F C D	medium
x 3 2 3 0 1	– 3 2 4 – 1	x A# D A# C F	medium
x 3 2 5 5 x	– 2 1 3 4 –	x A# D C F x	medium
5 7 5 5 5 6	1 3 1 1 1 2	F D F C F A#	medium · barre on fret 5
10 10 0 7 0 6	3 4 – 2 – 1	A# F C D C A#	hard
10 7 10 7 0 10	2 1 3 1 – 4	A# D A# D C D	medium · barre on fret 7
10 10 10 10 12 10	1 1 1 1 2 1	A# F A# F C D	medium · barre on fret 10
x 3 0 3 2 x	– 2 – 3 1 –	x A# C A# D x	easy
x 3 5 5 2 x	– 2 3 4 1 –	x A# F C D x	medium
0 5 5 7 5 6	– 1 1 3 1 2	C C F D F A#	medium · barre on fret 5
10 7 0 7 0 6	4 2 – 3 – 1	A# D C D C A#	hard

Max fret: 12

Fingerings shown: 16

The A#add9 chord (Add 9) is built from the notes A#, D, F, C. Below are playable fingerings for 6-String Guitar – Open C generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the A#add9 chord is built

Formula: 1 · 3 · 5 · 9

Degree	Semitones	Note
1	0	A#
3	4	D
5	7	F
9	14	C

More A# chords

A#A#m A#7 A#°A#+A#9 A#maj7 A#m7 A#7♯5 A#7♭5 A#6 A#m6 A#m7♭5 A#°7 A#sus2 A#sus4 A#maj9 A#m9 A#5

Other roots

Cadd9 C#add9 Dadd9 D#add9 Eadd9 Fadd9 F#add9 Gadd9 G#add9 Aadd9 Badd9

See A#add9 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open C C-G-C-G-C-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

What notes make up the A#add9 chord?

A#add9 is a Add 9 chord built from the notes A#, D, F, C.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.