Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:D
['cAdA eAfA g2 fg ed d2', 'f3 a feed']  
X:1
L:1/8
M:4/4
K:D
|: e2 de cAAB | cAdA eAfA | g2 fg ed d2 | Bcde fe e2 | e2 de cA AB | cAdA eAfA | g2 fg ed d2 | 
 cAed cA Ad :: f3 a feed | f3 a feed | e2 de cAAB | cAed cAAe | f3 a feed | f3 e edcd | 
 e2 de cAAB | cAed cAAe :|  