D# Viennese trichord/C

The D# Viennese trichord chord consists of the D# (Perfect unison), E (Minor second) and A (Diminished fifth) notes, with C as the bass note.

Piano keyboard showing the notes for a D# Viennese trichord/C chord

How to play the D# Viennese trichord/C chord

  1. Play C as the lowest bass note in the left hand
  2. Find D# (Root) on the piano keyboard
  3. Add E (Minor second) — 1 semitone above D#
  4. Add A (Diminished fifth) — 6 semitones above D#
  5. Press all 4 notes simultaneously to sound the D# Viennese trichord/C chord

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