Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/4
M:3/4
K:Dmin
['f e d a2', 'e a']  
X:1
L:1/4
M:3/4
K:Dmin
|: f e d | a2 b | g f a | f3/2 e/ d | f e d | a2 A | d e f | ^c3 :: e a e | f3/2 e/ d | 
 c/d/ c/B/ A/B/ | B3/2 A/ G | c B A | d3 | e d c | f2 d | g f e | a ^c d | e e2 | !fermata!d3 |]  