A# ninth chords

A#9 chord (also called Dominant 9th chord) for piano presented by keyboard diagrams.
Explanation: The A# ninth is a five note chord. Due to practical circumstances, however, the fifth (F) is often omitted and/or the chord is played inverted. The chord is often abbreviated as A#9.
Theory: The A# ninth chord is constructed with a root, a major third, a perfect fifth, a minor seventh and a major ninth.

A#9

A#9 chord diagram
Notes: A# - D - F - G# - C

A9 chord ‹ Previous • Next › B9 chord

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A#9 inverted

A#9 chord diagram
One of many possible inversions

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