Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:D
['', 'cA A/A/A cABG EGDB, =CEDB, =CA,A,G, A,B,CD', 'BFGB Aaae ceAc BGED CEAa a^gae ceA=g']  
X:1
L:1/8
M:4/4
K:D
 ed |: cA A/A/A cABG | EGDB, =CEDB, | =CA,A,G, A,B,CD | EAA/A/A ^GBed | cA A/A/A cABG | 
 EGDB, =CEDB, | =CA,A,G, A,B,CD |1 EA^GB Aced :|2 EA^GB Aef^g |: a^gae ceA=g | gfgd BFGB | 
 Aaae ceAc | BGED CEAa | a^gae ceA=g | gfgd BFGB | cA B/c/d edcB |1 Aa^gb aefg :|2 Aa^gb ae fd ||  