Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:12/8
K:A
['e2 c', 'cBc e2 c']  
X:1
L:1/8
M:12/8
K:A
 c3 BAB cdc B2 A | c2 f e2 c B3 BAB | c3 B3 cdc B2 A |1 c2 f e2 c A3 ABA :|2 c2 f e2 c A3 Ace |: 
 f3 f2 e f2 g a2 A | cBc e2 c B3 Bce | f3 f2 e f2 g a2 A |1"^y 3" cBc e2 c aba g2 a :|2 
"^go to B" a3 aba g3 gag :|4"^go to A" cBc e2 c A3 ABA ||  