Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:4/4
K:G
['BGAF G2 DC B,CDE =FDCE DG G2', 'B3 c']  
X:1
L:1/8
M:4/4
K:G
|: BGAF G2 DC | B,CDE =FDCE | DG G2 BGAG | ^FG AB c2 dc | BGAF G2 DC | B,CDE =FDCE | DG G2 BGA^F | 
 DGGF G3 A :: B3 c d2 cd | ecdc BGGA | B3 c dBcd | ecdB c2 dc | B3 c d2 cd | ecdc BGGd | 
 ecdB cBAG | FG AB c2 dc :|  