Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/4
M:4/4
K:D
['a f']  
X:1
L:1/4
M:4/4
K:D
 f/ g/ a f d | f/ g/ a f d | g e c A | g e c A | G/ F/ G/ A/ G g | F/ E/ F/ G/ F f | e d A c | 
 d2 D2 | f/ g/ a f d | f/ g/ a f d | g e c A | g e c A | G/ F/ G/ A/ G g | F/ E/ F/ G/ F f | 
 e d A c | d2 D a | f g/ a/ b g | e f/ g/ a f | d e/ f/ g f | e/ d/ c/ B/ A G | F A d f | A c e g | 
 f d A c | d2 D a | f g/ a/ b g | e f/ g/ a f | d e/ f/ g f | e/ d/ c/ B/ A G | F A d f | A c e g | 
 f d A c | d2 D2 ||  