C9 chord on 5-String Bass – Low Bb
in Low Bb (A#-D#-G#-C#-F#) 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 |
|---|---|---|---|---|
| 2 1 2 1 1 | 2 1 3 1 1 | C E A# D G | easy · barre on fret 1 | |
| 2 x 6 3 4 | 1 – 4 2 3 | C x D E A# | hard | |
| 4 x 4 3 4 | 2 – 3 1 4 | D x C E A# | hard | |
| 4 7 8 x 6 | 1 3 4 – 2 | D A# E x C | hard | |
| 6 7 6 6 6 | 1 2 1 1 1 | E A# D G C | easy · barre on fret 6 | |
| 0 7 8 11 8 | – 1 2 4 3 | A# A# E C D | hard | |
| x 9 8 9 8 | – 2 1 3 1 | x C E A# D | easy · barre on fret 8 | |
| 0 11 11 11 10 | – 2 3 4 1 | A# D G C E | medium | |
| 2 1 2 1 x | 2 1 3 1 – | C E A# D x | easy · barre on fret 1 | |
| 4 x 2 3 6 | 3 – 1 2 4 | D x A# E C | hard | |
| x 7 6 3 6 | – 4 2 1 3 | x A# D E C | hard | |
| 6 7 4 x 8 | 2 3 1 – 4 | E A# C x D | hard | |
| x 9 6 9 10 | – 2 1 3 4 | x C D A# E | hard | |
| x 7 8 11 8 | – 1 2 4 3 | x A# E C D | hard | |
| 9 9 8 9 8 | 2 3 1 4 1 | G C E A# D | medium · barre on fret 8 | |
| 0 11 x 11 10 | – 2 – 3 1 | A# D x C E | easy |
The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for 5-String Bass – Low Bb 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.