Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:4/4
K:Cmin
['E/D/ CGEc GCEc B<dF<B D>B, D/E/F/D/ CGEc', 'g<c e>c']  
X:1
L:1/8
M:4/4
K:Cmin
 E/D/ | CGEc GCEc | B<dF<B D>B, D/E/F/D/ | CGEc GCE>g | e>c (e/d/)c/B/ Tc2 c :| e/f/ | 
 g<c e>c gceg | f>B (e/d/)c/B/ fBdf | g<c e>c gcf(a | g>)ef>d{=B} Tc2 (c/d/)e/f/ | g<c e>c gceg | 
 f<B (e/d/)c/B/ fBd(f | g>)ef>d e>cd>B | G>c =B/c/d/B/ Tc2 c ||  