F# addb9

The F# addb9 chord consists of the F# (Perfect unison), A# (Major third), C# (Perfect fifth) and G (Minor ninth) notes.

Piano keyboard showing the notes for a F# addb9 chord

How to play the F# addb9 chord

  1. Find F# (Root) on the piano keyboard
  2. Add A# (Major third) — 4 semitones above F#
  3. Add C# (Perfect fifth) — 7 semitones above F#
  4. Add G (Minor ninth) — 13 semitones above F#
  5. Press all 4 notes simultaneously to sound the F# addb9 chord

Related chords with different root

Related slash chords