Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:4/4
K:C
['BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCO MD2 GBAG FGAc BGBd', '(dg) ecAG FGAc BGAF']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCO MD2 | GBAG FGAc | BGBd g2 (dg) | ecAG FGAc |1 
 BGAF GFED :|2 BGAF G2 || d2 | g2 (a/g/f/g/) a2 (b/a/^g/a/) | bagf g2 (dg) | ecAG FGAc | 
 BGAF GFED | g2 (a/g/f/g/) a2 (b/a/^g/a/) | bagf g2 (dg) | ecAG FGAc | BGAF G2 |]  