Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:A
['A2 A2 ABcd edcB', 'e4 B2 B>B B2 cd ecBA GBGE']  
X:1
L:1/8
M:4/4
K:A
 A2 A2 ABcd | edcB AcBA | B2 B>B B2 fe | dcBA GBGE | A2 A2 ABcd | edcB A2 a2 | gbge fafd | 
 e2 e>e e4 :| B2 B>B B2 cd | ecBA GBGE | e2 e>e e2 fg | agfe dfdB | f2 d2 fgaf | e2 c2 defd | 
 cBcd edcB | A2 A>A A4 :|  