The answer is Q. b+1=c, c+2=e, e+3=h, h+4=L, L+5=Q.
CRC CBO and COL
i
c
C
d
why would the letter I be the next letter in the sequence: C A R R
b
c
A
Y
M, it is the bottom row of keys on your keyboard
G comes next in the musical note sequence. After G, the sequence starts again at A.