Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
M:2/4
K:G
['AB/A/ GE', 'ed gd'  
X:1
L:1/8
M:2/4
K:G
 D | G>ABB | cd B2 | G/F/G/A/ BB | c/A/A/A/ A2 | G>ABB | cd B2 | G/F/G/A/ BB | c/A/A/A/ A2 | 
 AB/A/ GE | FA d2 | AB/A/ GE | ED D2 | AB/A/ GE | FA d2 | fd/d/ ec | d3 || z | d2 ed | gd (b2 | 
 b)a da/a/ | ag B2 | d/d/d/d/ ed | gd b2 | bc'/b/ ag | g3 ||  