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
['GA B2B2B2AB c2A2z2AB c2c2c2Bc d2B2z2ce d2BBc2A2 BABcB2ce']  
X:1
L:1/16
M:2/4
K:G
 GA | B2B2B2AB | c2A2z2AB | c2c2c2Bc | d2B2z2ce | d2BBc2A2 | BABcB2ce | d2BBc2A2 | B6 |]  