A#13b9 chord
A#13b9 chord for piano presented by keyboard diagrams.
Explanation: The A#13b9 alter the A#13 by the change of one note. The A 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 A#13(b9) or A#13-9.
Theory: Compared to A#13 the ninth tone in the chord is flattenedThe tone is one half step lower.
A#13b9
Notes: A# - D - F - G# - B - Eb - G / A# - D - E# - G# - B - Eb - F##
A13b9 chord ‹ Previous • Next › B13b9 chord
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Polychord A#7 (LH), C (RH)
A#13#11 polychord
Explanation: The image below shows a polychord version of the A#13#11. The chord is played in two parts with both hands.
Polychord A#7 (LH), C (RH)