C9 chord on 6-String Guitar – Drop A
in Drop A (A-E-A-D-F#-B) tuning
C9
Dominant 9
Notes:C · E · G · A# · D
Piano Left hand Right hand
Fingerings (16)
C9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 3 0 1 2 1 3 | 3 – 1 2 1 4 | C E A# E G D | medium · barre on fret 1 | |
| x x 3 2 4 3 | – – 2 1 4 3 | x x C E A# D | medium | |
| 3 3 7 5 4 3 | 1 1 4 3 2 1 | C G E G A# D | hard · barre on fret 3 | |
| x 8 7 0 4 8 | – 3 2 – 1 4 | x C E D A# G | hard | |
| x 8 5 8 6 5 | – 3 1 4 2 1 | x C D A# C E | medium · barre on fret 5 | |
| 7 6 7 0 6 x | 3 1 4 – 2 – | E A# E D C x | medium | |
| x 8 7 8 8 x | – 2 1 3 4 – | x C E A# D x | medium | |
| x 8 10 0 10 11 | – 1 2 – 3 4 | x C G D E A# | medium | |
| 10 10 10 10 10 11 | 1 1 1 1 1 2 | G D G C E A# | easy · barre on fret 10 | |
| 3 0 1 0 1 1 | 4 – 1 – 2 3 | C E A# D G C | medium | |
| 3 6 5 2 x x | 2 4 3 1 – – | C A# D E x x | hard | |
| 3 x 5 x 4 5 | 1 – 3 – 2 4 | C x D x A# E | hard | |
| x 8 5 0 4 5 | – 4 2 – 1 3 | x C D D A# E | hard | |
| x 8 5 8 8 5 | – 2 1 3 4 1 | x C D A# D E | medium · barre on fret 5 | |
| x 6 7 0 6 8 | – 1 3 – 2 4 | x A# E D C G | medium | |
| 7 8 7 8 8 x | 1 2 1 3 4 – | E C E A# D x | medium · barre on fret 7 |
The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for 6-String Guitar – Drop A 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 C9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C |
| 3 | 4 | E |
| 5 | 7 | G |
| ♭7 | 10 | A# |
| 9 | 14 | D |
More C chords
Other roots
See C9 in another tuning
What notes make up the C9 chord?
C9 is a Dominant 9 chord built from the notes C, E, G, A#, D.
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.