Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:G
['dBc deg dBG', 'gdB Aaa'  
X:1
L:1/8
M:6/8
K:G
 d3 dBc | deg dBG | cAB cAB | cAB cBA | d/d/dd dBc | deg dBG | EcB AGF |1 G3 G2 B :|2 G3 GBd || 
 g3 gBd | gba gdB | Aaa aga | bag agf | gbg f3 | gfe dBG | EcB AGF | G3 GBd | g3 (4:3:4gBcd | 
 gba gdB | Aaa eaa | bag agf | gdd fdd | gfe dBG | E2 c AGF | G3 G2 B ||  