A# Major Thirteenth for Bass
A A# Major thirteenth chord, also written as A#maj13, A#Δ13, A#ma13 or A#M13 contains the notes A#, C##, E#, G##, B#, D# and F##. The chord is comprised of the intervals M3, m3, M3, m3, m3 and M3.
A
C
E
G
B
D
F
M3
m3
M3
m3
m3
M3