Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/4
M:3/4
K:C
['c/e/ g e g/g/ f']  
X:1
L:1/4
M:3/4
K:C
 c/e/ g e | g/g/ f a | c/e/ g e | g/g/ f d | B/d/ B A | c/e/ e d | B/d/ B A | c/A/ A G |]  