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