Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:2/4
K:A
['F A']  
X:1
L:1/8
M:2/4
K:A
 B2 F A | B B2 d/ e/ | f f e2 | e f d2 | d B F A | B2 d F | E2 F/ E/ D | E4 |]  