B9 chord on 4-String Bass – Low C
in Low C (C-A-D-G) tuning
B9
Dominant 9
Notes:B · D# · F# · A · C#
Piano Left hand Right hand
Fingerings (6)
B9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 2 1 2 | 1 2 1 3 | C# B D# A | easy · barre on fret 1 | |
| 3 4 7 4 | 1 2 4 3 | D# C# A B | hard | |
| 9 6 9 6 | 2 1 3 1 | A D# B C# | medium · barre on fret 6 | |
| 11 12 11 8 | 2 4 3 1 | B A C# D# | hard | |
| 1 0 1 4 | 1 – 2 3 | C# A D# B | medium | |
| 11 0 11 8 | 2 – 3 1 | B A C# D# | medium |
The B9 chord (Dominant 9) is built from the notes B, D#, F#, A, C#. 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 B9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | B |
| 3 | 4 | D# |
| 5 | 7 | F# |
| ♭7 | 10 | A |
| 9 | 14 | C# |
More B chords
Other roots
See B9 in another tuning
What notes make up the B9 chord?
B9 is a Dominant 9 chord built from the notes B, D#, F#, A, C#.
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.