Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:6/8
K:G
['GFG BAG A2 B cBA', 'B2 d gdB'  
X:1
L:1/8
M:6/8
K:G
 GFG BAG | A2 B cBA | B2 d gdB | AGA cBA | GFG BAG | A2 B cBA | f/g/af gdB | AGA cBA :: B2 d gdB | 
 dGB dgd | B2 d gdB | AGA cBA | B2 d gdB | dGB def | gfe dcB | AGA cBA :|  