Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/8=120
M:2/4
K:G
['de/d/ Bd/B/ AB/A/ GB AB/A/ GA', 'e/f/e/d/ Bd']  
X:1
L:1/8
Q:1/8=120
M:2/4
K:G
 de/d/ Bd/B/ | AB/A/ GB | AB/A/ GA | BA A2 | de/d/ Bd/B/ | AB/A/ GB | AB/A/ GA | BG G2 :| 
 de/f/ g2 | (3f/g/f/e e/f/e/d/ | Bd e>f | ed BB/A/ | Bd g2 | fe e/f/e/d/ | Bd ef | g2 gg/e/ :|  