Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:C
['', 'G,C C2 G,E E2', 'E2 cE dEcE', 'GcBG FDB,C C2 B,C']  
X:1
L:1/8
M:4/4
K:C
 CB, |: G,C C2 G,E E2 | G,F F2 DB,CA, | G,C C2 G,E E2 |1 GABG FDCB, :|2 GABG FDCD || E2 cE dEcE | 
 E2 FE DCB,D | E2 cE dEcE | GABG FDCD | E2 cE dEcE | E2 FE DCB,D | G,E E2 EF F2 | GABG FDCD || 
 GcBG FDB,C | C2 B,C FD D2 | GcBG FDB,C | C2 B,C C3 D | GcBG FDB,C | C2 B,C DEGE | G,E E2 EF F2 | 
 GABG FDCD ||  