Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:6/8
K:G
['D G2 D GGA BcB A2 z']  
X:1
L:1/8
M:6/8
K:G
 D | G2 D GGA | BcB A2 z | G2 G F2 D | DEF G2 A | ABc ded | dBG FE D | d2 d e2 d | BBA G2 |]  