Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/16
M:2/4
K:D
['cABc d2', 'gbeb gage cA{c}BA abaf dA{c}BA fada fada']  
X:1
L:1/16
M:2/4
K:D
 AddA Bdgb | afba gfed | gaba gfed |{e} dcfe dcB_B | AddA =Bdgb | afba{a} gfed | d'c'ba gfed |1 
 cABc d2 z2 :|2 cABc d2 |: (ag) | fada fada | gbeb gbeb | gage cA{c}BA | abaf dA{c}BA | fada fada | 
 gbeb gbeb | abc'b agfe |1 d2{.c'}d'2d2 :|2 d2{.c'}d'2d2 z2 ||  