F13b9 chord
F13b9 chord for piano presented by keyboard diagrams.
Explanation: The F13b9 alter the F13 by the change of one note. The F 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 F13(b9) or F13-9.
Theory: Compared to F13 the ninth tone in the chord is flattenedThe tone is one half step lower.
F13b9

Notes: F - A - C - Eb - Gb - Bb - D
E13b9 chord ‹ Previous • Next › F#13b9 chord
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Polychord F7 (LH), G (RH)
F13#11 polychord
Explanation: The image below shows a polychord version of the F13#11. The chord is played in two parts with both hands.

Polychord F7 (LH), G (RH)