Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
['B2 G>B'  
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
 d>c |"G" B2 G>B |"Am" c2 A>c |"G" B2 G>B |"D" A>F D>A |"G" B2 G>B |"Am" c2 A>c |"G" B>G"D" A>F | 
"G" G2 :: d>c |"G" B<d d>g |"Em" e2 d>c |"G" B2 G>B |"D" A>F D>c |"G" B<d d>g |"Em" e2 d>c | 
"G" B>G"D" A>F"G" G2 :|  