Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/4
M:4/4
K:G
['B B']  
X:1
L:1/4
M:4/4
K:G
 G G A G | G D D E/ F/ | G G A G | D2 D2 | G G A G | G D D E/ F/ | G G A G | D2 D2 | B B B A/ B/ | 
 c B A G | B B B A/ B/ | c B A c | B G A G/ F/ | G2 G2 | B B B A/ B/ | c B A G | B B B A/ B/ | 
 c B A c | B G A G/ F/ | G2 G2 ||  