Incorporate the given motif and use the alphabetical representation of the specified musical sequence to compose a distinctive musical piece.
X:1
L:1/8
M:2/4
K:Emin
['^GA BcBA']  
X:1
L:1/8
M:2/4
K:Emin
[K:Ephr] ^GA | B6 ^GA | B6 ^GA | BcBA BcBA | ^G6 B2 | A6 ^GA | BcBA ^GF E2 | BAA^G GFFE | 
 EF^GA B2 cB | A6 ^GA | BcBA ^GF E2 | BAA^G GFFE | E2 z4 ||  