Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/16
M:2/4
K:G
['B2 d2']  
X:1
L:1/16
M:2/4
K:G
 B2 B2 d2 d e | d2 B A G3 A | A2 B2 d2 B A | G6 A2 | B2 B2 d2 d B | A2 G2 B2 B A | E F E D B,4 | 
 A2 G A B2 F E | D8 |]  