Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/16
M:3/8
K:G
['e4 e2 d4 d2 c4 c2 B4', 'B,2 B,DG2G2 FGA2A2 G2B,DGA B4 G2 A2cAFA']  
X:1
L:1/16
M:3/8
K:G
 e4 e2 | d4 d2 | c4 c2 | B4 G2 | A2cAFA | G2BGB,D | C2B,2A,2 | B,4 B,2 :: B,DG2G2 | FGA2A2 | 
 G2B,DGA | B4 G2 | A2cAFA | G2BGB,D | C2B,2A,2 | B,4 B,2 :|  