D# 7(#9)

The D# 7(#9) chord consists of the D# (Perfect unison), G (Major third), A# (Perfect fifth), C# (Minor seventh) and F# (Minor tenth) notes.

Piano keyboard showing the notes for a D# 7(#9) chord

How to play the D# 7(#9) chord

  1. Find D# (Root) on the piano keyboard
  2. Add G (Major third) — 4 semitones above D#
  3. Add A# (Perfect fifth) — 7 semitones above D#
  4. Add C# (Minor seventh) — 10 semitones above D#
  5. Add F# (Minor tenth) — 15 semitones above D#
  6. Press all 5 notes simultaneously to sound the D# 7(#9) chord

Related slash chords