Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
Q:1/8=320
M:2/4
K:G
['B/A/G/A/ Bd dc c2 c/B/A/B/', 'gf ed'  
X:1
L:1/8
Q:1/8=320
M:2/4
K:G
 B/A/G/A/ Bd | dc c2 | c/B/A/B/ ce | ed d2 | B/A/G/A/ Bd | dc c2 | c/B/A/B/ cA | BG G2 :| gf ed | 
 gf ed | gf ed | cB A2 | fe d2 | fe d2 | fe dc | BA G2 :|  