B9 chord on Octave Mandolin
in Standard (GDAE) (G-G-D-D-A-A-E-E) tuning
B9
Dominant 9
Notes:B · D# · F# · A · C#
Piano Left hand Right hand
Fingerings (7)
B9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 4 4 1 1 4 4 5 5 | 2 2 1 1 3 3 4 4 | B B D# D# C# C# A A | hard | |
| 8 8 7 7 4 4 7 7 | 4 4 2 2 1 1 3 3 | D# D# A A C# C# B B | hard | |
| 6 6 9 9 6 6 5 5 | 2 2 4 4 3 3 1 1 | C# C# B B D# D# A A | hard | |
| 6 6 7 7 6 6 7 7 | 1 1 2 2 1 1 3 3 | C# C# A A D# D# B B | easy · barre on fret 6 | |
| 8 8 11 11 0 0 7 7 | 2 2 3 3 – – 1 1 | D# D# C# C# A A B B | hard | |
| 8 8 9 9 0 0 9 9 | 1 1 2 2 – – 3 3 | D# D# B B A A C# C# | easy | |
| 8 8 9 9 12 12 9 9 | 1 1 2 2 4 4 3 3 | D# D# B B A A C# C# | hard |
The B9 chord (Dominant 9) is built from the notes B, D#, F#, A, C#. 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 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
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.