C#9 chord on 4-String Bass – Low C
in Low C (C-A-D-G) tuning
C#9
Dominant 9
Notes:C# · F · G# · B · D#
Piano Left hand Right hand
Fingerings (5)
C#9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 5 4 1 4 | 4 2 1 3 | F C# D# B | hard | |
| 3 2 3 6 | 2 1 3 4 | D# B F C# | hard | |
| 3 4 3 4 | 1 2 1 3 | D# C# F B | easy · barre on fret 3 | |
| 5 6 9 6 | 1 2 4 3 | F D# B C# | hard | |
| 11 8 11 8 | 2 1 3 1 | B F C# D# | medium · barre on fret 8 |
The C#9 chord (Dominant 9) is built from the notes C#, F, G#, B, D#. Below are playable fingerings for 4-String Bass – Low 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 C#9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| 3 | 4 | F |
| 5 | 7 | G# |
| ♭7 | 10 | B |
| 9 | 14 | D# |
More C# chords
Other roots
See C#9 in another tuning
What notes make up the C#9 chord?
C#9 is a Dominant 9 chord built from the notes C#, F, G#, B, 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.