Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:6/8
K:Bb
['B FDE', 'B,2 f fdB fg_a _a3 g2 g'  
X:1
L:1/8
M:6/8
K:Bb
 B | FDE F2 B | FDE F2 B | cec BdB | cAF F2 B | FDE F2 B | FDE Ffe | dcB FBA | B3 B,2 :: f | 
 fdB fg_a | _a3 g2 g | g=ec gab | b3 a2 g | fbf dfd | ege cde | dcB FBA | B3 B2 :|  