Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:A
['e<Ae>c A>ce>c', 'A<ag>a f>ae>c']  
X:1
L:1/8
M:4/4
K:A
|: (3agf | e<Ae>c A>ce>c | d>ac>a B>A (3Bcd | e<Ae>c A>ce>c | d>f (3efg a<A :| A>B | 
 A<ag>a f>ae>c | d>ac>a B>AB>c | A<ag>a f>ae>c | d>f (3efg a<AA>B | A<ag>a f>ae>a | d>ac>a B>AB>c | 
 A>cB>d c>ed>f | e>fg>e a<A ||  