G#13b9 chord
G#13b9 chord for piano presented by keyboard diagrams.
Explanation: The G#13b9 alter the G#13 by the change of one note. The G sharp thirteenth flat ninth is a seven-note chord, but due to practical circumstances, one or more notes (the fifth primarily) are omitted. The chord name can also be written as G#13(b9) or G#13-9.
Theory: Compared to G#13 the ninth tone in the chord is flattenedThe tone is one half step lower.
G#13b9

Notes: G# - C - D# - F# - A - Db - F / G# - B# - D# - F# - A - C# - E#
G13b9 chord ‹ Previous • Next › A13b9 chord
G#13#11 polychord
Explanation: The image below shows a polychord version of the G#13#11. The chord is played in two parts with both hands.

Polychord G#7 (LH), A# (RH)