Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:6/8
K:Dmix
['D DED DEG', 'd^cd edB'  
X:1
L:1/8
M:6/8
K:Dmix
 D | DED DEG | AGE c2 D | DED DEG | cGE D2 D | DED DEG | AGE c2 e | dcA AGE | GED D2 :| A | 
 d^cd edB | cBc EFG | d^cd edB | edB c2 A | d^cd edB | cBc EFG | DED cGE | DED D2 :|  