D# m9(#11)

The D# m9(#11) chord consists of the D# (Perfect unison), F# (Minor third), A# (Perfect fifth), C# (Minor seventh), F (Major ninth) and A (Augmented eleventh) notes.

Piano keyboard showing the notes for a D# m9(#11) chord

How to play the D# m9(#11) chord

  1. Find D# (Root) on the piano keyboard
  2. Add F# (Minor third) — 3 semitones above D#
  3. Add A# (Perfect fifth) — 7 semitones above D#
  4. Add C# (Minor seventh) — 10 semitones above D#
  5. Add F (Major ninth) — 14 semitones above D#
  6. Add A (Augmented eleventh) — 18 semitones above D#
  7. Press all 6 notes simultaneously to sound the D# m9(#11) chord