F# 9(#11)/D

The F# 9(#11) chord consists of the F# (Perfect unison), A# (Major third), C# (Perfect fifth), E (Minor seventh), G# (Major ninth) and C (Augmented eleventh) notes, with D as the bass note.

Piano keyboard showing the notes for a F# 9(#11)/D chord

How to play the F# 9(#11)/D chord

  1. Play D as the lowest bass note in the left hand
  2. Find F# (Root) on the piano keyboard
  3. Add A# (Major third) — 4 semitones above F#
  4. Add C# (Perfect fifth) — 7 semitones above F#
  5. Add E (Minor seventh) — 10 semitones above F#
  6. Add G# (Major ninth) — 14 semitones above F#
  7. Add C (Augmented eleventh) — 18 semitones above F#
  8. Press all 7 notes simultaneously to sound the F# 9(#11)/D chord