Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:3/4
K:D
['', 'FA FA', 'FA FA']  
X:1
L:1/8
M:3/4
K:D
 A |: FA FA FA | GB GB GB | ed cA Bc | df ec A2 | FA FA FA | GB GB GB | ed cA Bc | d4 A2 :: 
 df df ef | g2- g2 e2 | ce ce de | f2- f2 A2 | FA FA FA | GB GB GB | ed cA Bc |1 d4 A2 :|2 
 d4 (3ABc | d2 d4 ||  