Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:4/4
K:G
['dc BcdB', 'fgaf g2']  
X:1
L:1/8
M:4/4
K:G
|: c | BcdB c2 BA | Gfgf e2 dc | BcdB GABG | FAAB A2 dc | BcdB c2 BA | Gfgf e2 dc | BcdB cAFA | 
 AGGF G2 G :: g | fgaf g2 fe | dcAc BGGg | fgaf gedB | cAA^G A2 dc | BcdB cdeg | fgaf g2 dc | 
 BcdB cAFA | AGGF G2 G :|  