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