Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
['c<F A>c d/c/B/A/']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
|: A/B/ | c<F A>G F2- FA/B/ | c<F A>c d/c/B/A/ GA/B/ | c<F A>F D<F C<F | E/F/G C>B A<F FA/B/ | 
 c<F A>G F2- FA/B/ | c<F A>c d/c/B/A/ GA/B/ | c<F A>F D<F C<F | E/F/G C>B A<F Fc | 
 f<c a>g f2 g/f/e/d/ | c<F A>f d/c/B/A/ G>e | f<c a>f d<f c<f | B/c/d c>B A<F F>c | 
 f<c a>g f2 g/f/e/d/ | c<F A>c d/c/B/A/ G>B | A<f B<f c<f d<f | e<g c>e f2- f :|  