Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:G
['G (3Bcd g2 d edB', 'DEF G2'  
X:1
L:1/8
M:6/8
K:G
|: B2 G AGE | DB,D G (3Bcd | g2 d edB | edB AGA | B2 G AGE | D (3B,CD G (3Bcd | g2 d edB |1 
 cAF G2 A :|2 cAF GBd || g2 e fed | edB GBd | gag (3fga f | gfe def | g2 e fed | edB G (3Bcd | 
 gdB ecA |1 DEF G2 d :|2 DEF G2 A ||  