Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=130
M:6/8
K:Emin
['GAG FDE', 'A2 d', 'd2 e f2 g a2 g fed']  
X:1
L:1/8
Q:1/8=130
M:6/8
K:Emin
 DGG GAG | FDE F3 | DGG GFG | A2 d cAF | DGD GAG | FDE F2 d | cAG FGA | BGF G3 :| BDD BDD | 
 ADD ADD | G3 GFG | A2 d cAF | B2 B{c} BAG | ABA A2 d | cAG FGA | BGF G3 :| d2 e f2 g | a2 g fed | 
 cAG FGA | BAB cBc | d2 e f2 g | a2 g fed | cAG FGA |1 BGF G2 A :|2 BGF G3 ||  