Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/16
M:2/4
K:G
['d2gd B2dB G2BG D2B2 A^GAB cAFA', 'c2Gc e2ce g6 cd eceg fedc BGAB']  
X:1
L:1/16
M:2/4
K:G
 B2c2 | d2gd B2dB | G2BG D2B2 | A^GAB cAFA | GABc d2Bc | d2gd B2dB | G2BG D2B2 | A^GAB cAFA | 
 GFGA G2 :|[K:C] G2G2 | c2Gc e2ce | g6 cd | eceg fedc | BGAB cBAF | c2Gc e2ce | g6 cd | eceg fedc | 
 BGAB c4 :|  