Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['dBG GBd gfg ege dBG', 'F/G/ ABA AFA fgf f2 e dce'  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 B/c/ | dBG GBd | gfg ege | dBG GFG | AFD cBc | dBG GBd | gfg ege | dBG FGA | BGF G2 :|[K:D] F/G/ | 
 ABA AFA | fgf f2 e | dce dcB | AFF F2 G | AFA AFA | BGB B2 d | cec ABc | dfe d2 :|  