Develop a musical composition in line with the given structure and theme.
X:1
L:1/4
M:3/4
K:A
['c/B/ A E', 'a a'  
X:1
L:1/4
M:3/4
K:A
 c/B/ A E | c/B/ A E | c/d/ f e | A G2 | B/A/ G E | B/A/ G E | c/e/ f e | B A2 | c/B/ A E | 
 c/B/ A E | c/d/ f e | a b2 | f/g/ a a | a/f/ e c | c/e/ g e | G A2 || c/B/ A A | c/e/ a a | 
 b/g/ a A | a g2 | B/^A/ B B | d/e/ g g | g/f/ e E | G c2 | c/B/ A A | c/e/ a a | b/g/ a A | g f2 | 
 f/g/ a a | a/f/ e e | c/e/ g e | G A2 ||  