Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['D2 EF G2 AB', 'A2 AB c2', 'd2 de dcAc']  
X:1
L:1/8
M:4/4
K:G
 D2 EF G2 AB | cBAG AdAd | D2 EF G2 AB |1 cBAG FGEF :|2 cBAF G4 :: d2 d2 c2 AB | cBAG FDFA | 
 c2 c2 B2 AG |1 FGAF FDFA :|2 FGAF G4 :: A2 AB c2 BA | AGAc B4 | A2 AB c2 cB | AGAF G4 :: 
 d2 de dcAc | BABc B4 | d2 de dcAc | BAFA G4 :|  