Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/4
M:3/2
K:G
['B G G E', 'd c'  
X:1
L:1/4
M:3/2
K:G
 B G G E G2 | B G G E F A | B G G E G B | A3/2 B/ A G F A :: G B d c B2 | G B d c B3/2 c/ | 
 d e d c B c | B A/B/ A G F A :|  