Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Sectional: Through Composed'  
X:1
L:1/8
M:4/4
K:Bmix
[K:B]|: dBB/B/B cBB/B/B | dBe(f f3) e | dBB/B/B cBB/B/B | Acef g2 fe | dBB/B/B cBB/B/B | 
 dBe(f f3) e | dbfd g3 f | dBB/B/B BABc :: dBB/B/B cBGF | GBc(B B)cBF | DGG/G/G AGBG | 
 G/G/GBG ABce | dBB/B/B ABGB | B/B/BFB EdBG | Fbfd g3 f |1 dBB/B/B BABc :|2 dB/B/B Bcdf |: 
 eBB/B/B ABfB | B/B/BAB gBB/B/B | ABaB B/B/BAB | bafd cdfg | eBB/B/B ABfB | B/B/BAB gBB/B/B | 
 ABaB B/B/BAB |1 bafd cdfg :|2 bafd cdfe ||  