A#m7b5 chord on ukulele

A Sharp Half-Diminished, also written Bbm7b5. Notes: A#, C#, E and G#.

A#m7b5 ukulele chord diagram, open position1G#b72C#b33A#RG#C#EA#
Open position · Easy

How to play A#m7b5

  1. Put your index finger on the 4th (G) string at fret 1 (G#).
  2. Put your middle finger on the 3rd (C) string at fret 1 (C#).
  3. Put your ring finger on the 1st (A) string at fret 1 (A#).
  4. Let the open E string ring.
  5. Strum all four strings.
Lowest note: G#Strings played: 4 of 4Other voicings: 3 below

All 4 ways to play A#m7b5

Easiest first. Tap play to hear each one.
A#m7b5 ukulele chord, open position1G#b72C#b33A#RG#C#EA#

Open position

Easy
A#m7b5 ukulele chord, fret 3 position1A#R2Eb53G#b74C#b3A#EG#C#

Fret 3 position

Easy
A#m7b5 ukulele chord, barre at fret 66fr1C#b33G#b71A#R2Eb5C#G#A#E

Barre at fret 6

Medium
A#m7b5 ukulele chord, barre at fret 99fr1Eb52A#R1C#b33G#b7EA#C#G#

Barre at fret 9

Hard

Notes and theory

A#root
C#b3 · minor third
Eb5 · diminished fifth
G#b7 · minor seventh

The half-diminished chord (minor seventh flat five) is the ii chord of a minor key and a key part of minor ii-V-i progressions in jazz. The formula is 1 b3 b5 b7, and you will also see it written as A#ø and A#m7(b5).

Keys that use A#m7b5

More A# chords

All A# ukulele chords

half-diminished chords in every key

Questions

What notes are in the A#m7b5 chord?

A#m7b5 (A sharp half-diminished) is made of four notes: A# (root), C# (minor third), E (diminished fifth) and G# (minor seventh).

How do you play A#m7b5 on ukulele?

The easiest A#m7b5 is the "open position" shape. Put your index finger on the 4th (G) string at fret 1 (G#). Put your middle finger on the 3rd (C) string at fret 1 (C#). Put your ring finger on the 1st (A) string at fret 1 (A#).

Is A#m7b5 hard to play on ukulele?

No. The easiest version is rated easy and uses 3 fretted notes plus open strings.

What key is A#m7b5 in?

A#m7b5 belongs to 2 keys: B major (as the vii°ø7 chord) and G sharp minor (as the ii°ø7 chord).

What does a half-diminished chord sound like?

The half-diminished chord (minor seventh flat five) is the ii chord of a minor key and a key part of minor ii-V-i progressions in jazz.