Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/16
M:1/4
K:D
['d2D2 DFAd c2B2 Bdef', 'd2dc defg a4- a2>f2 gbge fbfd Bgec']  
X:1
L:1/16
M:1/4
K:D
 A2 | d2D2 DFAd | c2B2 Bdef | g2>A2 Acea | f2d2 dABc | d2D2 DFAd | c2B2 Bdef | ggfg bgec | 
 d2f2 d2 :: A2 | d2dc defg | a4- a2>f2 | gbge fbfd | Bgec (3BcB (3ABc | d2dc defg | a4- a2>f2 | 
 gbge fbfd | Bgec d2 :|  