B7b9/A# Guitar Chord

The B dominant flat ninth over A# is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
B7b9/A# diagram
Root Note B
Name B dominant flat ninth over A#
Intervals 1P-3M-5P-7m-9m
Relative Minor G#m
Notes A#, B, D#, F#, A, C
Aliases B7b9

Common Progressions Popular patterns using B

I-V-vi-IV

B → F# → G#m → E

vi-IV-I-V

G#m → E → B → F#

Diatonic Family (Triads)

B C#m D#m E F# G#m A#dim

Diatonic Family (7ths)

Bmaj7 C#m7 D#m7 Emaj7 F#7 G#m7 A#m7b5

Scale Compatibility

View All Scales
Phrygian Dominant Flamenco Spanish Heptatonic Half-Whole Diminished Chromatic

* 5 scales found containing the notes A#, B, D#, F#, A, C.

Audio & MIDI Analysis

MIDI Numbers 70, 71, 63, 66, 69, 60
Frequencies (Hz)

466.1637615180899, 493.8833012561241, 311.1269837220809, 369.9944227116344, 440, 261.6255653005986