Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
Q:1/2=76
M:2/2
K:Bb
['DECD B,DFE DFBd cAFE DFBd ceAc', 'egce dfBd ceAc']  
X:1
L:1/8
Q:1/2=76
M:2/2
K:Bb
 FE | DECD B,DFE | DFBd cAFE | DFBd ceAc | (3(Bdc) (3(BAG) (3(FGF) (3(EDC) | DECD B,DFE | 
 DFBd cAFE | DFBd ceAc | B2 d2 B2 :: cd | egce dfBd | ceAc BdFE | DFBd ceAc | 
 (3(Bdc) (3(BAG) F2 F2 | egce dfBd | ceAc (3(BdB) FE | DFBd ceAc | B2 B2 B2 :|  