Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:4/4
K:C
['Bed cBA GFE B,EG FBB', 'E2 g gec Gce gaf gec cBA'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:Emin] c!p! b e f e Cef'"^posse" f uca[Q:1/8=160].B | Bed cBA | GFE B,EG | FBB cBB | 
 eBB cBA | Bed cBA | GFE B,EG | FBB cBA | GEE E2 :| g | gec Gce | gaf gec | cBA EAc | Be^d eBG | 
 FBB GBB | FBA GFE | B,EG cBA | GEE E2 :|  