Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:G
['BB d2 cB']  
X:1
L:1/8
M:4/4
K:G
 D | DB BB d2 cB | BAAB c3 B | ccdd e2 dB | AGGF G2 | GA | B2 BB d2 cB | AGAB A2 AB | cdec A2 Bc | 
 ddcA G2 | Bc | dded d2 e>d | d2 e>d d2 GB | dd ed BB d>d | c2 A>G G2 x2 |]  