G# 7(b9)/B#

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

Piano keyboard showing the notes for a G# 7(b9)/B# chord

How to play the G# 7(b9)/B# chord

  1. Play B# as the lowest bass note in the left hand
  2. Find G# (Root) on the piano keyboard
  3. Add B# (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 A (Minor ninth) — 13 semitones above G#
  7. Press all 6 notes simultaneously to sound the G# 7(b9)/B# chord

Related chords with different root