Create a composition following the given musical structure and theme.
X:1
L:1/16
M:2/4
K:Bb
['FBBc Bdfg fdbg gfdf', 'B2 (3(uFGA) .B2(df) bagf dfba gfed .e2(ed)'  
X:1
L:1/16
M:2/4
K:Bb
 uF2 | FBBc Bdfg | fdbg gfdf | gfdB cBGA | BcBG GFFF | FBBc Bdfg | fdbg gfdf | gfbg gfdf | 
 gecA B2 :: (3(uFGA) | .B2(df) bagf | dfba gfed | .e2(ed) .c2(cB) | AcBG FDEC | B,DFB Bdcd | 
 Bdfd gecA | Bdfb gecA | B2B2B2 :|  