Craft a musical work adhering to the specified theme and structure.
X:1
L:1/4
M:4/4
K:G
['G B', 'g f/e/ d c B'  
X:1
L:1/4
M:4/4
K:G
 D | G B G B | G B c/B/A/G/ | F A F A | F A d/c/B/A/ | G B G B | G B d3/2 d/ | c/B/A/G/ F/G/A/c/ | 
 B G G :: d | g f/e/ d c | B c d3/2 d/ | g f/e/ d c | B d A2 | g f/e/ d c | B c d3/2 d/ | 
 c/B/A/G/ F/G/A/c/ | B G G :|  