B7b5/A Guitar Chord

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

Finger Positions

Dominant
B7b5/A diagram
Root Note B
Name B over A
Intervals 1P-3M-5d-7m
Relative Minor G#m
Notes B, D#, F, A
Aliases B7b5

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
Neopolitan Major Pentatonic Whole Tone Pentatonic Lydian Dominant Pentatonic Super Locrian Pentatonic Prometheus Neopolitan Prometheus Mystery #1 Whole Tone Locrian Major Altered Lydian Dominant Leading Whole Tone Lydian Minor Hungarian Major Oriental

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

Audio & MIDI Analysis

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

493.8833012561241, 311.1269837220809, 349.2282314330039, 440