Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/16
M:3/4
K:A
['[CEA]4 A2GA B2B2 B2c2 c2Bc dcBc', 'c2e2 e2de fedc B2d2 d2cd edcB']  
X:1
L:1/16
M:3/4
K:A
 [CEA]4 A2GA B2B2 | B2c2 c2Bc dcBc | [CEA]4 A2GA B2B2 | B2c2 c2Bc dcBc | AGAB cBcd edef | 
 gage gfed edef | gfed d2e2 e4 :: c2e2 e2de fedc | B2d2 d2cd edcB | c2e2 e2de fedc | 
 B2d2 d2cd edcB | AGAc BABd cBce | cBAG G2A2 A4 :|  