Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:Emin
['BEFG- G2 cB', 'G2 cB']  
X:1
L:1/8
M:4/4
K:Emin
|: G3 A BEFG- | G2 cB BEGA | G3 A BEFG | B d3 cBBE | G3 A BEFG- | G2 cB BEFG- | G2 cB dcBG |1 
 ABGE G2 DE :|2 ABGE GABd |: g3 f edBA | G2 cB BABd | gaf g3 de | g d3 cB (3Bcd | g3 f edBA | 
 G2 cB BEFG- | G2 cB dcBG |1 ABGE GABd :|2 ABGE G2 DE ||  