Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:2/4
K:Bb
['F |O .B.B.B.B AcFc dBeg (d2 c)F', 'g (g2 f)=e fg/=e/ f_e (e2 d)c'  
X:1
L:1/8
M:2/4
K:Bb
 F |O .B.B.B.B | AcFc | dBeg | (d2 c)F | .e.e.e.e | dfBd | c>deA | B2 B :| g | (g2 f)=e | 
 fg/=e/ f_e | (e2 d)c | d2 ec d2 fd | .c.c(cd) | f=e_ed | cccd | (BA)GFO!D.C.! ||  