Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:4/4
K:G
['B B/A/ G B', 'D G/G/']  
X:1
L:1/4
M:4/4
K:G
 B B/A/ G B | c c/B/ A c | B B/A/ G B | A F E D | B B/A/ G B | c c/B/ A c | B/d/ B/G/ A/c/ A/F/ | 
 G B G2 :: D G/G/ D G/G/ | F E F E | D G/G/ D G/G/ | F G A2 | D G/G/ D G/G/ | F E F E | 
 D G B3/2 A/ | G F G2 :|  