Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:4/4
K:G
['c2 ec', 'g/f/e/d/ Bd']  
X:1
L:1/8
M:4/4
K:G
 d | BGDB c2 ec | BG[dg]B cAAc | BGEB c2 ec | BgAc BGG :: f | g/f/e/d/ Bd egdc/B/ | cedB aAAf | 
 g/f/e/d/ Bd egdB | cAdc BGG :|  