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