A# Major Ninth for Bass - CAGED Chart
A A# Major ninth chord, also written as A#maj9, A#Δ9, A#ma9 or A#M9 contains the notes A#, C##, E#, G## and B#. The chord is comprised of the intervals M3, m3, M3 and m3.
A
C
E
G
B
M3
m3
M3
m3