Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:C
['[M:6/8][K:A] uca aa dube', 'cee aee', 'cec d2 B']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:A] uca aa dube e!p! a[Q:1/8=160]e |: cee aee | fee aee | cee aee | fed cBA :| cec d2 B | 
 cde fdB | cec d2 B | aec cBA :|  