A# minor ninth chord

A#m9 chord for piano with keyboard diagram.
Explanation: The A# minor ninth is a five note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. The chord is often abbreviated as A#m9.
Theory: The A#m9 chord is constructed with a root, a minor third, a perfect fifth, a minor seventh and a major ninth.

A#m9

A#m9 chord diagram
Notes: A# - C# - F - G# - C

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A# chord categories

A# A#m A#7 A#m7 A#maj7 A#6 A#m6 A#6/9 A#9 A#m9 A#maj9 A#11 A#13 A#add A#7-5 A#7+5 A#sus A#dim A#aug