G#9#11 chord on piano

G Sharp Dominant Ninth Sharp Eleven, also written Ab9#11. Notes: G#, C, D#, F#, A# and D.

G#9#11 piano chord, root positionCC5DG#D#F#A#
Root position. Tap any key to hear it.

How to play G#9#11

  1. Find G# just below middle C. That is the root.
  2. Add C, D#, F#, A# and D 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
A#9 · ninth
D#11 · sharp eleventh

Notes and theory

G#root
C3 · major third
D#5 · perfect fifth
F#b7 · minor seventh
A#9 · ninth
D#11 · sharp eleventh

The 9#11 is a dominant ninth with a raised eleventh, the Lydian dominant sound used in jazz. The formula is 1 3 5 b7 9 #11. Strictly by music theory the notes are spelled G#, B#, D#, F#, A# and C##; B# is the same key as C and C## is the same key as D.

More G# chords

All G# piano chords

dominant ninth sharp eleven chords in every key

Questions

What notes are in the G#9#11 chord?

G#9#11 (G sharp dominant ninth sharp eleven) is made of six notes: G# (root), C (major third), D# (perfect fifth), F# (minor seventh), A# (ninth) and D (sharp eleventh).

How do you play G#9#11 on piano?

Play G#, C, D#, F#, A# and D 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 ninth sharp eleven chord sound like?

The 9#11 is a dominant ninth with a raised eleventh, the Lydian dominant sound used in jazz.