Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:D
['de f2 ff fgef dcde d2 A2', 'FAde fdAG FAdf gecA FAdB cdec'  
X:1
L:1/8
M:6/8
K:D
 de | f2 ff fgef | dcde d2 A2 | BABc dcdf | edcB A2 de | f2 ff fgef | dcde d2 A2 | Bcdf ecdB | 
 A2 AA A2 :: AG | FAde fdAG | FAdf gecA | FAdB cdec | defe dBAG | FAde fdAG | FAdf gecA | 
 FAdB cdec | d2 dd d2 :|  