A♯ / B♭ Diminished
A#dim
Tense, unstable sound. Often used as passing chord.
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Piano Keyboard
Guitar Fretboard
Intervals
| Interval | Semitones | Note |
|---|---|---|
| R | 0 | A♯ / B♭ |
| m3 | 3 | C♯ / D♭ |
| TT | 6 | E |
A#dim
Tense, unstable sound. Often used as passing chord.
| Interval | Semitones | Note |
|---|---|---|
| R | 0 | A♯ / B♭ |
| m3 | 3 | C♯ / D♭ |
| TT | 6 | E |