Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/2=75
M:4/4
K:C
['C |[K:Bb] CB>A F2 e>d c2 (B>c)', 'g>a b2 a2 g3 a b2 d4']  
X:1
L:1/8
Q:1/2=75
M:4/4
K:C
 C |[K:Bb] !fermata!ad CB>A | F2 e>d c2 (B>c) | d2 d4 g>f | =e2 a>b g2 ^f>g | ^f6 d>e | 
 B2 g2 d3 d | e6 c>G | A2 f>c c3 B | B6 :: g>a | b2 a2 g3 a | b2 d4 =ee | f2 g2 g3 f/g/ | 
 a2 f4 c>d | e2 d2 c3 B | c2 A4 Bc | d>f=e>g f3 b | a2 g4 :|  