Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/16
M:2/4
K:Bb
['BFDF BFDF BABc dcde', 'geBG EGBg fdBF DFBf'  
X:1
L:1/16
M:2/4
K:Bb
 (udc) | BFDF BFDF | BABc dcde | fcAc fcAc | f=efg f_edc | BFDF BFDF | BABc dcde | fgag fedc | 
 B2d2B2 :: (uba) | geBG EGBg | fdBF DFBf | eAgf eAgf | dBgf dBba | geBG EGBg | fdBF DFBf | 
 =efag f_edc | B2d2B2 :|  