G#7b9 chord on piano

G Sharp Dominant Seventh Flat Nine, also written Ab7b9. Notes: G#, C, D#, F# and A.

G#7b9 piano chord, root positionCAG#D#F#
Root position. Tap any key to hear it.

How to play G#7b9

  1. Find G# just below middle C. That is the root.
  2. Add C, D#, F# and A above it, skipping the keys in between.
  3. Right hand fingering: 1-2-3-4-5, or split the chord between both hands. Left hand: play the root and fifth, and leave the upper notes to the right hand.

Notes

G#root
C3 · major third
D#5 · perfect fifth
F#b7 · minor seventh
Ab9 · flat ninth

Notes and theory

G#root
C3 · major third
D#5 · perfect fifth
F#b7 · minor seventh
Ab9 · flat ninth

The 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco. The formula is 1 3 5 b7 b9. Strictly by music theory the notes are spelled G#, B#, D#, F# and A; B# is the same key as C.

More G# chords

All G# piano chords

dominant seventh flat nine chords in every key

Questions

What notes are in the G#7b9 chord?

G#7b9 (G sharp dominant seventh flat nine) is made of five notes: G# (root), C (major third), D# (perfect fifth), F# (minor seventh) and A (flat ninth).

How do you play G#7b9 on piano?

Play G#, C, D#, F# and A together. With the right hand use fingers 1-2-3-4-5, or split the chord between both hands; with the left hand use play the root and fifth, and leave the upper notes to the right hand.

What does a dominant seventh flat nine chord sound like?

The 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco.