A13b9 chord
A13b9 chord for piano presented by keyboard diagrams.
Explanation: The A13b9 alter the A13 by the change of one note. The A 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 A13(b9) or A13-9.
Theory: Compared to A13 the ninth tone in the chord is flattenedThe tone is one half step lower.
A13b9
Notes: A - C# - E - G - Bb - D - F#
Ab13b9 chord ‹ Previous • Next › A#13b9 chord
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Polychord A7 (LH), B (RH)
A13#11 polychord
Explanation: The image below shows a polychord version of the A13#11. The chord is played in two parts with both hands.
Polychord A7 (LH), B (RH)