C9 chord on Octave Mandolin
in Standard (GDAE) (G-G-D-D-A-A-E-E) tuning
C9
Dominant 9
Notes:C · E · G · A# · D
Piano Left hand Right hand
Fingerings (8)
C9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 5 5 0 0 1 1 0 0 | 2 2 – – 1 1 – – | C C D D A# A# E E | hard | |
| 5 5 2 2 5 5 6 6 | 2 2 1 1 3 3 4 4 | C C E E D D A# A# | hard | |
| 5 5 0 0 7 7 6 6 | 1 1 – – 3 3 2 2 | C C D D E E A# A# | medium | |
| 7 7 10 10 7 7 6 6 | 2 2 4 4 3 3 1 1 | D D C C E E A# A# | hard | |
| 7 7 8 8 7 7 8 8 | 1 1 2 2 1 1 3 3 | D D A# A# E E C C | easy · barre on fret 7 | |
| 3 3 0 0 3 3 0 0 | 1 1 – – 2 2 – – | A# A# D D C C E E | easy | |
| 5 5 8 8 5 5 0 0 | 1 1 2 2 1 1 – – | C C A# A# D D E E | medium · barre on fret 5 | |
| 9 9 8 8 5 5 8 8 | 4 4 2 2 1 1 3 3 | E E A# A# D D C C | hard |
The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for Octave Mandolin 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
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.