Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:2/2
K:D
['ADFA GBEG', '(a/g/f/e/) fd gbeg']  
X:1
L:1/8
M:2/2
K:D
 B | ADFA GBEG | FDAF EB,B,B | ADFA GBEG | FAEG F(DD)B | ADFA GBEB | FDAF EB,B,G | FAd=c BGed | 
 ^cAag fdd || f/g/ | afdf gbeg | afed cecA | (a/g/f/e/) fd gbeg | faeg (fddg) | 
 (a/g/f/e/) fd gbeg | fafd cecA | BdAd GdFd | EBTA>G FDD ||  