Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/16
M:2/4
K:A
['FAGB A4', 'fdBd ecAc dBGE']  
X:1
L:1/16
M:2/4
K:A
 cB | AFFG ACCC | FAGB A4 | cAag fedc | edcd BdcB | AFFG ACCE | FAGB A4 | e^dgf e=dcB | 
 A2c2A2 z2 :: fdBd ecAc | dBGE A2A2 | GBdf edcB | BAFA E2a2 | fdBd ecAc | dBGE A2a2 | e^dgf edcB |1 
 A2c2A2 z2 :|2 A2c2A2!D.C.! ||  