Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:6/8
K:Dmin
['Adc BAG FED A,DF EAA', 'D2 f fdB FBd feg fed BAG']  
X:1
L:1/8
M:6/8
K:Dmin
 G | Adc BAG | FED A,DF | EAA BAA | ^cAA BAG | Adc BAG | FED A,DF | EAA BAG | FDC D2 :: f | 
 fdB FBd | feg fed | BAG DGB | Ad^c dAF | EAA FAA | EAG FED | A,DF BAG | FDC D2 :|  