Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:2/4
K:Emin
['', 'dG BA/B/ dG', 'G2 AG/A/']  
X:1
L:1/8
M:2/4
K:Emin
 e |: dG BA/B/ | dG Ge | dG BA | GE Ee | dG BA/B/ | dG GB | Ac BA | GE E2 :: G2 AG/A/ | BE EF | 
 GB AG | FD DF | G2 AG/A/ | Bg gc | BG AG/A/ | BE E2 :|  