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A♯ half-diminished chord
The A♯m7♭5 chord (half-diminished) is made of the notes A♯, C♯, E, G♯. Its formula compared with the major scale is 1 ♭3 ♭5 ♭7.
A♯m7♭5
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | A♯ | Unison |
| ♭3 | C♯ | Minor third |
| ♭5 | E | Diminished fifth |
| ♭7 | G♯ | Minor seventh |
Inversions
- A♯m7♭5A♯ C♯ E G♯Root position
- A♯m7♭5/C♯C♯ E G♯ A♯First inversion
- A♯m7♭5/EE G♯ A♯ C♯Second inversion
- A♯m7♭5/G♯G♯ A♯ C♯ EThird inversion
Which keys it belongs to
A♯m7♭5 is a diatonic chord, that is, it comes from a degree of the scale, in these keys:
Frequently asked questions
- Which notes make up the A♯m7♭5 chord?
- The notes are A♯, C♯, E, G♯.
- What is the formula of the A♯m7♭5 chord?
- The formula is 1 ♭3 ♭5 ♭7: minor third, diminished fifth, minor seventh.
From theory to practice
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