Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/4
Q:3/4=90
M:6/4
K:Gmin
['=e f', 'd2 A']  
X:1
L:1/4
Q:3/4=90
M:6/4
K:Gmin
 g | g3/2 a/ g =e ^f g | ^f =e f _e =e f | g a b a b g | ^f3 d2 || A | B3 c3 | d3- d2 A | B3 c3 | 
 d3- d2 A | B A B c B c | d e d d3/2 c/ B/c/ | A2 G G ^F2 | G3- G2 |]  