Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/4
M:3/4
K:G
['B/c/ d B']  
X:1
L:1/4
M:3/4
K:G
 D | G G A | B B B/c/ | d B A | G z D | G G A | B B B/c/ | d B A | G z B/c/ | d B d | d/c/ A c | 
 B G/B/d/B/ | A z D | G G A | B B B/c/ | d B A | G z |]  