A# 7(b9)/G

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

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

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

  1. Play G as the lowest bass note in the left hand
  2. Find A# (Root) on the piano keyboard
  3. Add D (Major third) — 4 semitones above A#
  4. Add F (Perfect fifth) — 7 semitones above A#
  5. Add G# (Minor seventh) — 10 semitones above A#
  6. Add B (Minor ninth) — 13 semitones above A#
  7. Press all 6 notes simultaneously to sound the A# 7(b9)/G chord

Inversions with same root