C9 chord on 12-String Guitar – Open C
in Open C (C-C-G-G-C-C-G-G-C-C-E-E) 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 |
|---|---|---|---|---|
| 0 0 0 0 2 2 3 3 2 2 0 0 | – – – – 1 1 2 2 1 1 – – | C C G G D D A# A# D D E E | easy · barre on fret 2 | |
| x x 5 5 2 2 3 3 4 4 x x | – – 4 4 1 1 2 2 3 3 – – | x x C C D D A# A# E E x x | medium | |
| 0 0 0 0 4 4 7 7 4 4 6 6 | – – – – 1 1 3 3 1 1 2 2 | C C G G E E D D E E A# A# | medium · barre on fret 4 | |
| 0 0 7 7 0 0 9 9 7 7 6 6 | – – 2 2 – – 4 4 3 3 1 1 | C C D D C C E E G G A# A# | medium | |
| 0 0 7 7 10 10 9 9 7 7 8 8 | – – 1 1 4 4 3 3 1 1 2 2 | C C D D A# A# E E G G C C | medium · barre on fret 7 | |
| 0 0 9 9 10 10 9 9 10 10 10 10 | – – 1 1 2 2 1 1 3 3 4 4 | C C E E A# A# E E A# A# D D | medium · barre on fret 9 | |
| 0 0 0 0 0 0 3 3 2 2 0 0 | – – – – – – 2 2 1 1 – – | C C G G C C A# A# D D E E | easy | |
| x x 5 5 4 4 3 3 2 2 x x | – – 4 4 3 3 2 2 1 1 – – | x x C C E E A# A# D D x x | medium | |
| 0 0 5 5 4 4 7 7 4 4 6 6 | – – 2 2 1 1 4 4 1 1 3 3 | C C C C E E D D E E A# A# | medium · barre on fret 4 | |
| 0 0 7 7 7 7 9 9 0 0 6 6 | – – 2 2 3 3 4 4 – – 1 1 | C C D D G G E E C C A# A# | medium | |
| 0 0 7 7 10 10 9 9 7 7 10 10 | – – 1 1 3 3 2 2 1 1 4 4 | C C D D A# A# E E G G D D | medium · barre on fret 7 | |
| 0 0 9 9 10 10 9 9 0 0 10 10 | – – 1 1 2 2 1 1 – – 3 3 | C C E E A# A# E E C C D D | easy · barre on fret 9 | |
| 0 0 0 0 2 2 3 3 0 0 0 0 | – – – – 1 1 2 2 – – – – | C C G G D D A# A# C C E E | easy | |
| 2 2 3 3 2 2 5 5 4 4 x x | 1 1 2 2 1 1 4 4 3 3 – – | D D A# A# D D C C E E x x | medium · barre on fret 2 | |
| 0 0 7 7 4 4 5 5 4 4 6 6 | – – 4 4 1 1 2 2 1 1 3 3 | C C D D E E C C E E A# A# | medium · barre on fret 4 | |
| 0 0 9 9 0 0 7 7 7 7 6 6 | – – 4 4 – – 2 2 3 3 1 1 | C C E E C C D D G G A# A# | medium |
The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for 12-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 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.