A#m7b5 Guitar Chord

The A# half-diminished is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
A#m7b5 diagram
Root Note A#
Name A# half-diminished
Intervals 1P-3m-5d-7m
Relative Minor Gm
Notes A#, C#, E, G#
Aliases A#m7b5, A#ø, A#-7b5, A#h7, A#h

Common Progressions Popular patterns using A#

I-V-vi-IV

A# → F → Gm → D#

vi-IV-I-V

Gm → D# → A# → F

Diatonic Family (Triads)

A# Cm Dm D# F Gm Adim

Diatonic Family (7ths)

A#maj7 Cm7 Dm7 D#maj7 F7 Gm7 Am7b5

Scale Compatibility

View All Scales
Minor Blues Locrian Locrian Pentatonic Super Locrian Pentatonic Altered Locrian #2 Locrian 6 Dorian #4 Hungarian Major Flamenco Bebop Locrian Half-Whole Diminished Composite Blues Messiaen's Mode #3 Chromatic

* 15 scales found containing the notes A#, C#, E, G#.

Audio & MIDI Analysis

MIDI Numbers 70, 61, 64, 68
Frequencies (Hz)

466.1637615180899, 277.1826309768721, 329.6275569128699, 415.3046975799451