A# major 9th chord

A#maj9 chord for piano with keyboard diagram.
Explanation: The A# major ninth is a five-note chord and can be regarded as an A#maj7 with an added ninth. It is often abbreviated as A#maj9 (not to be confused with A#9).
Theory: The A#maj9 chord is constructed with a root, a major third, a perfect fifth, a major seventh and a major ninth.

A#maj9

A#maj9 chord diagram
Notes: A# - D - F - A - C / A# - D - E# - G## - B#

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A#maj9 inversions and voicings

A#maj9 chord diagram
Notes: A# - F (left hand) A - C - D (right hand)
Two-hand voicing

A#maj9 chord diagram
Notes: A# - D (left hand) A - C (right hand)
Two-hand voicing (the 5th is omitted)

A# chord categories

A# A#m A#7 A#m7 A#maj7 A#mM7 A#6 A#m6 A#6/9 A#5 A#9 A#m9 A#maj9 A#11 A#m11 A#13 A#m13 A#maj13 A#add A#7-5 A#7+5 A#sus A#dim A#dim7 A#m7b5 A#aug A#aug7