Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
['gfed e2 a2 gfed dcBA', 'D4 GFED A2 A2 Bcde dcBA d2'  
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
|: gfed e2 a2 | gfed dcBA | d2 A2 BcdB | g2 f2 e4 | gfed e2 a2 | gfed dcBA | d3 A BcdG | 
 F2 E2 D4 :: GFED A2 A2 | Bcde dcBA | d2 A2 BcdB | g2 f2 e4 | gfed e2 a2 | gfed dcBA | d3 A BcdG | 
 F2 E2 D4 :|  