Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:G
['GBdB cBcd']  
X:1
L:1/8
M:4/4
K:G
 G2 GF GBdB | cBcd efge | dcBG AFGE | DEGB AE E2 | GG G2 GBdB | cBcd g2 dc | BG G2 AE E2 | 
 DG G2 FGED | DG G2 DBGD | c3 d efge | dcBG AFGE | DEGB AE E2 | GDB,F GBdB | cBcd g2 dc | 
 B/B/B GB AFGE | DEGB AG G2 | g3 e d2 B^c | dgbg aged | g3 e ddBd | gab/a/g a2 g2 | 
 a/g/f ge d2 Bd | ea a2 aged | ga b/a/g efge | d3 c Bcdc |]  