Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:G
['ge dBAB G2 GA BGdG eGdG dBAB', 'gaag e/f/g'  
X:1
L:1/8
M:4/4
K:G
|: ge | dBAB G2 GA | BGdG eGdG | dBAB GABG |1 A^GAB c2 :|2 A/B/A Bd e2 || dB | gd d/d/d gaag | 
 e/f/g dg e/f/g dB | gddg gaag | e/f/g fa g2 ba | gd d/d/d g2 ag | e/f/g dg egdg | B^A B/c/d cBce | 
 dB G/A/B A2 |]  