A# 7(b5)
The A# 7(b5) chord consists of the A# (Perfect unison), D (Major third), E (Diminished fifth) and G# (Minor seventh) notes.
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How to play the A# 7(b5) chord
- Find A# (Root) on the piano keyboard
- Add D (Major third) — 4 semitones above A#
- Add E (Diminished fifth) — 6 semitones above A#
- Add G# (Minor seventh) — 10 semitones above A#
- Press all 4 notes simultaneously to sound the A# 7(b5) chord