Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
Q:3/8=80
M:6/8
K:Dmin
['dcd ded']  
X:1
L:1/8
Q:3/8=80
M:6/8
K:Dmin
 D | Ddd dcd | ded cAG | Add dcA | GAc c2 G | Add dcd | ded cAA | GAA cAG | EDC D2 |]  