B 7(b9)(#9)/A
The B 7(b9)(#9) chord consists of the B (Perfect unison), D# (Major third), F# (Perfect fifth), A (Minor seventh), C (Minor ninth) and D (Minor tenth) notes, with A as the bass note.
(sharp9)_A.png)
How to play the B 7(b9)(#9)/A chord
- Play A as the lowest bass note in the left hand
- Find B (Root) on the piano keyboard
- Add D# (Major third) — 4 semitones above B
- Add F# (Perfect fifth) — 7 semitones above B
- Add A (Minor seventh) — 10 semitones above B
- Add C (Minor ninth) — 13 semitones above B
- Add D (Minor tenth) — 15 semitones above B
- Press all 7 notes simultaneously to sound the B 7(b9)(#9)/A chord