Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:C
['B2 c BAG d2 e dcB', 'G2 F/G/ A2 A dcA G2 F']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:G] a cae ae a ce g[Q:1/8=160] D | B2 c BAG | d2 e dcB | edc BAG | FGA D2 A | B2 c BAG | 
 d2 e dcB | Ace FGA | G2 B G2 :| F/G/ | A2 A dcA | G2 F GBd | cAc BGA | B3 A2 B/c/ | d2 ^c dBd | 
 e2 d ege | dBd cAF | G2 B G2 :|  