A 9(#5)/F

The A 9(#5) chord consists of the A (Perfect unison), C# (Major third), F (Minor sixth), G (Minor seventh) and B (Major ninth) notes, with F as the bass note.

Piano keyboard showing the notes for a A 9(#5)/F chord

How to play the A 9(#5)/F chord

  1. Play F as the lowest bass note in the left hand
  2. Find A (Root) on the piano keyboard
  3. Add C# (Major third) — 4 semitones above A
  4. Add F (Minor sixth) — 8 semitones above A
  5. Add G (Minor seventh) — 10 semitones above A
  6. Add B (Major ninth) — 14 semitones above A
  7. Press all 6 notes simultaneously to sound the A 9(#5)/F chord

Related chords with different root

Related slash chords