Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:4/4
K:Emin
['GFGA BcBG A2 GA', 'A2 GA']  
X:1
L:1/8
M:4/4
K:Emin
 B,2 | E2 EF GFGA | BcBG A2 GA | BAGF EFGE | F^DB,B, B,2 B,D | E^DEF GFGA | BcBG A2 GA | 
 Be^de BAGF | G2 E2 E2 :| Bc | d2 de dcBc | dcBG A2 GA | BAGF EFGE | F^DB,B, B,2 B,D | E^DEF GFGA | 
 BcBG A2 GA | Be^de BAGF | G2 E2 E2 :|  