Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/2
K:G
['Td3 e dBgB', 'dgbg agbg'  
X:1
L:1/8
M:2/2
K:G
 B | Td3 e dBgB | dBgB aAAB | Td3 e dBgB | AcBA BGGB | Bdde dBgB | dBgB aAAc | Bdde dBgB | 
 AcBA BGG || B | dgbg agbg | dgbg ageg | dgbg agbg | dedc BGGE | DGBG AGBG | DGBG AGEG | 
 BAGF GFED | EFGA BGG |]  