G# 7(#9)/F

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

Piano keyboard showing the notes for a G# 7(#9)/F chord

How to play the G# 7(#9)/F chord

  1. Play F as the lowest bass note in the left hand
  2. Find G# (Root) on the piano keyboard
  3. Add C (Major third) — 4 semitones above G#
  4. Add D# (Perfect fifth) — 7 semitones above G#
  5. Add F# (Minor seventh) — 10 semitones above G#
  6. Add B (Minor tenth) — 15 semitones above G#
  7. Press all 6 notes simultaneously to sound the G# 7(#9)/F chord