How to play B Dominant 7 flat 9 on guitar
These shapes are for standard tuning (E A D G B E). The first is the easiest, and the others sit in different positions on the neck. Playing in another tuning? Pick it above the diagrams and the shapes are redrawn for it.
Shape 1: x21212
- Lay your index finger flat across the 2nd to 4th strings at fret 1 (a barre).
- Press the 5th string (A) at fret 2.
- Press the 3rd string (G) at fret 2.
- Press the 1st string (e) at fret 2.
- Don't play the 6th string.
Shape 2: 797878 (from fret 7)
- Lay your index finger flat across the 2nd to 6th strings at fret 7 (a barre).
- Press the 5th string (A) at fret 9.
- Press the 3rd string (G) at fret 8.
- Press the 1st string (e) at fret 8.
Shape 3: xx98(10)8 (from fret 8)
- Press the 4th string (D) at fret 9.
- Press the 3rd string (G) at fret 8.
- Press the 2nd string (B) at fret 10.
- Press the 1st string (e) at fret 8.
- Don't play the 6th, 5th strings.
The numbers in the shape name list the fret for each string from the lowest (thickest) to the highest, with x meaning that string is not played and 0 meaning it rings open.
Notes in B Dominant 7 flat 9
| Note | Role |
|---|---|
| B | 1 (root) |
| D♯ | 3 |
| F♯ | 5 |
| A | ♭7 |
| C | ♭9 |
The formula for B Dominant 7 flat 9 (7♭9) is 1 3 5 ♭7 ♭9: take the root, then the scale degrees listed.
When to use B7♭9
Dominant 7 flat 9 chords are dark and tense with a hint of Spain. They usually lead to a minor chord a fifth below, as in E7♭9 to Am.
Other B chords
B, Bm, B7, Bmaj7, Bm7, Bsus2, Bsus4, B°, B+, Badd9, B6, Bø7
Other dominant 7 flat 9 chords on guitar
C7♭9, D♭7♭9, D7♭9, E♭7♭9, E7♭9, F7♭9, F♯7♭9, G7♭9, A♭7♭9, A7♭9, B♭7♭9
Frequently asked questions
How do you play B Dominant 7 flat 9 on guitar?
The easiest B7♭9 shape on guitar is x21212 (Lay your index finger flat across the 2nd to 4th strings at fret 1 (a barre). Press the 5th string (A) at fret 2. Press the 3rd string (G) at fret 2. Press the 1st string (e) at fret 2. Don't play the 6th string.)
What notes are in B Dominant 7 flat 9?
B Dominant 7 flat 9 (B7♭9) contains the notes B D♯ F♯ A C. The formula is 1 3 5 ♭7 ♭9.
How many guitar shapes are there for B7♭9?
There are many. This page shows 3 common ones at different positions, easiest first. Moving a barre shape up the neck gives the same chord type on other roots.
See B Dominant 7 flat 9 on ukulele, check its notes in the chord finder, or transpose a whole song with the chord transposer. Browse the full guitar chord library.