A#9 chord
A# dominant ninth
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The A#9 chord has the intervals I, II, III, vii with notes A#, C, D, G#
Matching Scales: A# Mixolydian A# Hindu A# Arabic C Minor C Hindu C Arabic D Enigmatic D Locrian D Arabic G# Lydian
The dominant ninth chord is mostly used in funk, blues and some rock music. It is usually played without the 5th on the ukulele.