Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:6/8
K:Dmin
['DDD F2 G AdB cAF GGG BAG', 'd2 e fed']  
X:1
L:1/8
M:6/8
K:Dmin
|: DDD F2 G | AdB cAF | GGG BAG | FFF GEA | DDD F2 G | AdB cAF | GGG BAG | AFD D2 A :: d2 e fed | 
 faf gfe | d2 e fed | dcA dcA | d2 e fed | faf gfe | dcA BAG | AFD D3 :|  