A#m7♭5 chord on 4-String Bass – Drop C
in Drop C (C-G-C-F) tuning
A#m7♭5
Half-Diminished
Notes:A# · C# · E · G#
Piano Left hand Right hand
Fingerings (8)
A#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 3 4 3 | 1 2 4 3 | C# A# E G# | medium | |
| 4 6 8 5 | 1 3 4 2 | E C# G# A# | hard | |
| 10 9 8 8 | 4 3 1 2 | A# E G# C# | medium | |
| 4 3 1 3 | 4 2 1 3 | E A# C# G# | medium | |
| 8 6 4 5 | 4 3 1 2 | G# C# E A# | hard | |
| 8 9 10 8 | 1 2 3 1 | G# E A# C# | medium · barre on fret 8 | |
| 1 1 4 5 | 1 2 3 4 | C# G# E A# | hard | |
| 4 1 1 5 | 3 1 2 4 | E G# C# A# | hard |
The A#m7♭5 chord (Half-Diminished) is built from the notes A#, C#, E, G#. Below are playable fingerings for 4-String Bass – Drop C generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the A#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A# |
| ♭3 | 3 | C# |
| ♭5 | 6 | E |
| ♭7 | 10 | G# |
More A# chords
Other roots
See A#m7♭5 in another tuning
What notes make up the A#m7♭5 chord?
A#m7♭5 is a Half-Diminished chord built from the notes A#, C#, E, G#.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.