B9b5/A# Guitar Chord

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

Finger Positions

Dominant
B9b5/A# diagram
Root Note B
Name B over A#
Intervals 1P-3M-5d-7m-9M
Relative Minor G#m
Notes A#, B, D#, F, A, C#
Aliases B9b5

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
Prometheus Whole Tone Locrian Major Lydian Dominant Leading Whole Tone Lydian Minor Messiaen's Mode #6 Composite Blues Messiaen's Mode #3 Chromatic

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

Audio & MIDI Analysis

MIDI Numbers 70, 71, 63, 65, 69, 61
Frequencies (Hz)

466.1637615180899, 493.8833012561241, 311.1269837220809, 349.2282314330039, 440, 277.1826309768721