Create a composition using the letter notation of the specified musical motif and the provided melodic theme.
X:1
L:1/8
Q:1/4=100
M:2/2
K:Dmix
['D/D/D AF', 'd/d/d fd']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:Dmix
 B | D/D/D AF ECCE | D/D/D AF BGAF | GBFd ECCE | D/D/D AF ADD :: f | d/d/d fd ecce | 
 d/d/d fd gefd | gbfa ec-c(f/g/) | afge d2 d :|  