D# 7(b9)(no5)/F

The D# 7(b9)(no5) chord consists of the D# (Perfect unison), G (Major third), C# (Minor seventh) and E (Minor ninth) notes, with F as the bass note.

Piano keyboard showing the notes for a D# 7(b9)(no5)/F chord

How to play the D# 7(b9)(no5)/F chord

  1. Play F as the lowest bass note in the left hand
  2. Find D# (Root) on the piano keyboard
  3. Add G (Major third) — 4 semitones above D#
  4. Add C# (Minor seventh) — 10 semitones above D#
  5. Add E (Minor ninth) — 13 semitones above D#
  6. Press all 5 notes simultaneously to sound the D# 7(b9)(no5)/F chord