Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:4/4
K:G
['G G/B/', 'gg g/f/ e dd d/c/ B A']  
X:1
L:1/8
M:4/4
K:G
|: G G/B/ d c/B/ | ce ce | G G/B/ d/c/ | BA A2 | G G/B/ d c/B/ | ce ce | G G/B/ d/c/ | BA G2 :: 
 gg g/f/ e | dd d/c/ B | A A/B/ c/B/c/d/ | ed d2 | gg g/f/ e | dd d/c/ B | A A/B/ c/B/c/A/ | 
 BG G2 :|  