Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:2/4
K:G
['d/ B>G Bd c>B AB c>d ef', 'G>A Bc d2 d2 e>f ge', 'B>G Bd c/d/c/B/ AB']  
X:1
L:1/8
M:2/4
K:G
"^Intro" d/ | B>G Bd | c>B AB | c>d ef | g3 d |: G>A Bc | d2 d2 | e>f ge | d>c BA | G>A Bc | 
 d2 d2 | e>f ge | d3 d :: B>G Bd | c/d/c/B/ AB | c>B ce | d/e/d/c/ Bd | B>G Bd | c/d/c/B/ AB | 
 c>d ef | g3 d :|  