Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/4
Q:1/4=150
M:4/4
K:Emin
['G F']  
X:1
L:1/4
Q:1/4=150
M:4/4
K:Emin
 E G F B, | E G F B, | G G/G/ A G/A/ | B3 B | B B A B/A/ | G G F F | E/F/G/A/ B B | E e d2 | 
 E e d2 | E e d e/d/ | B A B2 | B e d e/d/ | B A B d/B/ | G E E D |]  