Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:2/4
K:Amin
['G EAAB c2 cd BGGA G3 B/A/', 'e3 f edcd efge dcBc d2 cd', "eaab c'2"]  
X:1
L:1/8
M:2/4
K:Amin
 G | EAAB | c2 cd | BGGA | G3 B/A/ | EAAB | cBcd | edcd | e3 :: f | edcd | efge | dcBc | d2 cd | 
 ecdB | cABe | EAAG | A3 || g | eaab | c'2 c'd' | bgga | g2 ag | eaab | c'2 ba | bgee | e3 g/f/ | 
 ecgc | c'cgc | GABc | d2 cd | ecdB | cABe | GAA^G | A3 :|  