G 7(b9)

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

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

How to play the G 7(b9) chord

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

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