Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:2/2
K:G
['', 'A G3', 'd g3'  
X:1
L:1/8
M:2/2
K:G
 dc || A G3 AGFD | A G3 Addc | A G3 AGFD | FEFG Addc | A G3 AGFD | A G3 Addc | (3AcA GB AGFD | 
 FEFG ABcA || d g3 a g3 | d g3 fdcA | d g3 a g3 | dcde fdcA | d g3 ag (3efg | abag f3 g | 
 af (3gfe fdec | dfeg fdcA ||  