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