Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
['Gg g>a']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
|: F>c A/B/c/A/ dG Bd | Fc A/B/c/A/ Ff a>f | g>e f>A G>A B<d | cf a/g/f/e/ fF A<f | 
 F>c A/B/c/A/ dG Bd | Fc A/B/c/A/ Ff a>f | g>e f>A G>A B<d | c>f e/f/g/e/ fF Ac | 
 f/g/a/g/ f>F Gg g>a | f/g/a/g/ f>c d<f c>A | B/c/d A/B/c Gg g>a | f>g a>g fF A<c | 
 f/g/a/g/ f>F Gg g>a | (3(fga) (3(gfe) (3(def) (3(cBA) | (3(Bcd) (3(ABc) Gg g>a | f>g a>g fF A<f :|  