Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:6/8
K:G
['Bcd g3', 'BAB GEE'  
X:1
L:1/8
M:6/8
K:G
 Bcd g3 | Bcd g3 | Bcd efg | aAA A2 z | Bcd g3 | Bcd g3 | dcB ABc | BGG G3 :: BAB GEE | GEE E3 | 
 BAB GEE | FDD D3 | BAB GEE | FAG FED | g3 dAc | BGG G3 :|  