C9 chord on 6-String Guitar – Open Em
in Open Em (E-B-E-G-B-E) tuning · Also known as Open E minor, Cross-note E
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 1 0 3 3 0 | – 1 – 2 3 – | x C E A# D E | medium | |
| 3 3 3 5 5 6 | 1 1 1 2 3 4 | G D G C E A# | medium · barre on fret 3 | |
| 8 5 6 7 5 0 | 4 1 2 3 1 – | C E A# D E E | medium · barre on fret 5 | |
| 8 x 0 7 8 6 | 3 – – 2 4 1 | C x E D G A# | hard | |
| 8 8 0 7 11 0 | 2 3 – 1 4 – | C G E D A# E | hard | |
| 8 8 8 9 11 10 | 1 1 1 2 4 3 | C G C E A# D | medium · barre on fret 8 | |
| x 1 0 3 3 3 | – 1 – 2 3 4 | x C E A# D G | medium | |
| 3 3 6 5 5 3 | 1 1 4 2 3 1 | G D A# C E G | medium · barre on fret 3 | |
| 8 5 6 7 5 x | 4 1 2 3 1 – | C E A# D E x | medium · barre on fret 5 | |
| 8 x 6 7 8 0 | 3 – 1 2 4 – | C x A# D G E | hard | |
| 8 11 0 7 8 0 | 2 4 – 1 3 – | C A# E D G E | hard | |
| 8 8 10 9 11 8 | 1 1 3 2 4 1 | C G D E A# C | medium · barre on fret 8 | |
| x 1 3 3 3 0 | – 1 2 3 4 – | x C G A# D E | medium | |
| 3 5 3 5 3 6 | 1 2 1 3 1 4 | G E G C D A# | medium · barre on fret 3 | |
| x x 8 7 5 6 | – – 4 3 1 2 | x x C D E A# | medium | |
| 8 8 0 7 x 6 | 3 4 – 2 – 1 | C G E D x A# | 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 Em 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.