Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:6/8
K:Dmin
['FGA DFA dfd ecA', 'dfa afd']  
X:1
L:1/8
M:6/8
K:Dmin
 A/G/ | FGA DFA | dfd ecA | Agf edc | =Bed cBA | FGA DFA | dfd ecA | Bgf ed^c | dDD D2 :: z | 
 d3 dfa | afd gbg | ecA dfa | afd =Bed | c=BA dfa | afd gbg | Bgf ed^c | dDD D2 :|  