Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/4
M:2/2
K:C
['e .c .c', 'g g', 'c g g f/e/ d/e/f/g/ a f'  
X:1
L:1/4
M:2/2
K:C
 g | e d d/c/B/A/ | G3 g | e .c .c d | e .c .c d/e/ | f f/g/ a/g/f/e/ | d g g a | ^f d g f | 
 g G G :| g | g f/e/ d/e/f/g/ | a g g g | c c A d | B G G e | A/B/ c B/c/ d | d/e/ f e/f/ g | 
 a/g/f/e/ d/e/f/g/ | e c c || g | g f/e/ d/e/f/g/ | a f f g | c c A d | B G G e | A/B/ c B/c/ d | 
 d/e/ f e/f/ g | a/g/f/e/ d/e/f/g/ | e c c ||  