Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
['BdAB GDB,D GBdf g2 bf gedB', 'G2 Bd g2 eg f2 df gfeg'  
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
"^simplified version" dc | BdAB GDB,D | GBdf g2 bf | gedB cdea | gedB Adcd | BdAB GDB,D | 
 GBdf g2 bf | gedB cedc | BGAF G2 :| Bd | g2 eg f2 df | gfeg f2 e2 | gbaf gbaf | gedB Adcd | 
 BdAB GDB,D | GBdf g2 bf | gedB cedc | BGAF G2 :|  