Craft music utilizing the alphabetic representation of the designated musical pattern and the given melodic theme.
X:1
L:1/4
M:4/4
K:G
['B B']  
X:1
L:1/4
M:4/4
K:G
 G/A/ | B B B B/c/ | d2 c c/B/ | A A A d | B B B G/A/ | B B B B/c/ | d2 c B | A B/c/ d d | B z2 d | 
 c c c d | B z2 |]  