G7(b5,#9) guitar chord (G Dominant 7th, Flat 5th, Sharp 9th)

Symbols: 7(b5,#9), 7(-5,+9)

Steps: 1-3-b5-b7-#9

Notes: G-B-Db-F-A#

The G 7(b5,#9) chord introduces both a flat fifth and a sharp ninth to the dominant seventh, creating an intensely expressive and edgy sound. With notes G, B, Db, F and A#, it's used to evoke a sense of mystery and unease in jazz or fusion. Below, you'll find how to play the "G 7(b5,#9)" chord, finger placements and an audio sample.

Variation 1

G7(b5,#9) guitar chord - variation 1
  • Place a barre using your index finger on the 9th fret from the 1st to the 4th strings
  • Use your pinky to press the B (2nd) string down on the 11th fret
  • Press down on the G (3rd) string at the 10th fret using your ring finger
  • Position your middle finger on the A (5th) string at the 10th fret and press down
  • Now, strum all the strings starting from the 5th string