Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/4
Q:1/8=120
M:4/4
K:G
['e/f/ g d c B', 'd B', 'e/f/ g d c B'  
X:1
L:1/4
Q:1/8=120
M:4/4
K:G
"^A" B/c/ | d e/f/ g d | c B A B/A/ | G B/c/ d g | f g a g/f/ | d e/f/ g d | c B A e/f/ | g d c B | 
 A2 G ||"^B" d/c/ | B/c/ d B d | B d g/f/e/d/ | c e c e | c e g/f/e/d/ | B d B c | d e/f/ g f | 
 g d c B | A2 G ||[M:2/4]"^C" B c |[M:4/4] d2 e f | g2 d2 | c2 B2 | A3 B/A/ | G2 B c | d2 g2 | 
 f2 g2 |[M:2/4] a f/e/ |[M:4/4] d e/f/ g d | c B A e/f/ | g d c B | A2 G ||  