Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:2/4
K:G
['DG EG/E/ DG E2 DG AG/A/', 'gB dB']  
X:1
L:1/8
M:2/4
K:G
|: E/ | DG EG/E/ | DG E2 | DG AG/A/ | BA A2 | DG EG/E/ | DG E2 | DG AG/A/ |1 BG G3/2 :|2 
 BG GB/c/ |: dB gB | dB gB | dB gf/g/ | aA AB/c/ | dB gB | dB g2 | GB AG/A/ |1 BG G/A/B/c/ :|2 
 BG G3/2 ||  