A 7(b9)(no5)/A#
The A 7(b9)(no5) chord consists of the A (Perfect unison), C# (Major third), G (Minor seventh) and A# (Minor ninth) notes, with A# as the bass note.
(no5)_Asharp.png)
How to play the A 7(b9)(no5)/A# chord
- Play A# as the lowest bass note in the left hand
- Find A (Root) on the piano keyboard
- Add C# (Major third) — 4 semitones above A
- Add G (Minor seventh) — 10 semitones above A
- Add A# (Minor ninth) — 13 semitones above A
- Press all 5 notes simultaneously to sound the A 7(b9)(no5)/A# chord