Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:6/8
K:G
['G GFG D2 B BAB', 'D2 d ece gfe dBG GBd cBc']  
X:1
L:1/8
M:6/8
K:G
 G | GFG D2 B | BAB G2 d | dcB gfe | dcB A2 G | GFG D2 B | BAB d2 g | fad eA^c | dcd D2 :: d | 
 ece gfe | dBG GBd | cBc A2 G | FGA D2 [cC] | [BB,]DG Bd=F | E2 ^F G2 c | Bec BcA | G3 G2 :|  