Compose tunes based on the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/4
K:Bb
|: vB2 FD | B2 FD | B2 FD | (Bd)cB | (BA)GF | (GA)BA | (GF)ED | E2 uF2 | uB,2 z2 :: (vBd)dd | 
 d2 dc | (Bd)fd | (.B2 .B2) | (dc)cc | c2 cA | (FG)FE | (ED)CB, :: (vdf)ff | f2 fg | (gf)ba | 
 (gf)ed | (ef)gf | (ed)cB | (Ag)fe | (ed)cB :|  