What notes are in a B13b9 chord?

B13b9 is B, D#, F#, A, C, G#: the 1, 3, 5, ♭7, ♭9, 13 of B.

How do you play B13b9 on guitar?

6th String Root: 7 x 7 5 4 4; 5th String Root: x 2 1 2 1 4 (low E to high E, x = don't play the string).

What scale goes with B13b9?

Scales on B that contain every note of B13b9: B Half-Whole Diminished, B Mixolydian b2.

Guitar chord · Dominant 13b9

B13b9 chord (B Dominant 13b9)

Dominant 13th with a flat 9th: a dominant chord that fits the half-whole diminished scale.

Notes BD#F#ACG#

Formula 1 3 5 ♭7 ♭9 13

Shapes 2 on this page

B13b9 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, B.

6th String Root 7 x 7 5 4 4

5th String Root x 2 1 2 1 4

Interactive chord diagram

B13b9 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕

Tap any note to hear it.

Scales to play over B13b9

These scales start on B and contain every note of the chord, so they fit when B13b9 is the chord of the moment.

B Half-Whole Diminished B Mixolydian b2

Fretwise · Free on iPhone & Android

Practise B13b9 and every other chord anywhere, even offline.

This page is a small slice of Fretwise. The app adds practice: exercises that play as tab, a new routine every day, and the tools to tune and keep time. On iPhone, iPad and Android, no sign-up.

Get it free onGoogle Play Download on theApp Store

Free

65 scales and 56 chord types in every key, with CAGED shapes
A tuner with 10 tunings and a metronome from 30 to 260 BPM
A new Daily 15 routine every day, plus free exercises
Maqam & makam between the frets, and the Name the Note quiz

One purchase

282 exercises that play as tab, and routines with a speed trainer
Chord & Scale Finder: tap the neck, get the name
Theory Lab and the Progression Builder with 51 genre loops
No subscription, ads removed

Questions

What notes are in a B13b9 chord?: B13b9 is B, D#, F#, A, C, G#: the 1, 3, 5, ♭7, ♭9, 13 of B.
How do you play B13b9 on guitar?: 6th String Root: 7 x 7 5 4 4; 5th String Root: x 2 1 2 1 4 (low E to high E, x = don't play the string).
What scale goes with B13b9?: Scales on B that contain every note of B13b9: B Half-Whole Diminished, B Mixolydian b2.

Dominant 13b9 chords in every key

C13b9 C#13b9 D13b9 Eb13b9 E13b9 F13b9 F#13b9 G13b9 Ab13b9 A13b9 Bb13b9 B13b9