Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/8
M:3/4
K:Bmin
['fg/f/ ef/e/ dc de/d/ cd/c/ B^A B2', 'f2- fe/f/ gf fe ed/e/ fe dc/d/'  
X:1
L:1/8
M:3/4
K:Bmin
|: fg/f/ ef/e/ dc | de/d/ cd/c/ B^A | B2 Bc de | f/e/d/c/ dA FD | fg/f/ ef/e/ dc | 
 de/d/ cd/c/ B^A | B2 Bc de | f/e/d/e/ f2 f2 :: f2- fe/f/ gf | fe ed/e/ fe | dc/d/ ed cB | 
 B^A/B/ c/B/^A/^G/ F2 | f2- fe/f/ gf | fe ed/e/ fe | dc/d/ ed cB |1 d/c/B/^A/ B2 B/c/d/e/ :|  