A# add9

The A# add9 chord consists of the A# (Perfect unison), D (Major third), F (Perfect fifth) and C (Major ninth) notes.

Piano keyboard showing the notes for a A# add9 chord

How to play the A# add9 chord

  1. Find A# (Root) on the piano keyboard
  2. Add D (Major third) — 4 semitones above A#
  3. Add F (Perfect fifth) — 7 semitones above A#
  4. Add C (Major ninth) — 14 semitones above A#
  5. Press all 4 notes simultaneously to sound the A# add9 chord

Inversions with same root

Related chords with different root

Related slash chords