Construct harmonious chords that enhance the provided tune.
(3(ABc) | dcdA FAdf | edcB A2 fg | afaf bagf | edcB A2 fe | dcdA FAdf | 
 edcB A2 fg | afdf bgec | d2 d2 d2 :: (3(efg) | afaf d2 ga | bgbg e2 fg | 
 afaf bagf | edcB A2 fe | dcdA FAdf | edcB A2 fg | afdf bgec | d2 d2 d2 :|  
X:1
L:1/8
M:4/4
K:D
 (3(ABc) |"D" dcdA FAdf |"A" edcB A2 fg |"D" afaf"G" bagf |"A" edcB A2 fe |"D" dcdA FAdf | 
"A" edcB A2 fg |"D" afdf"A" bgec |"D" d2 d2 d2 :: (3(efg) |"D" afaf d2 ga |"G" bgbg e2 fg | 
"D" afaf"G" bagf |"A" edcB A2 fe |"D" dcdA FAdf |"A" edcB A2 fg |"D" afdf"A" bgec |"D" d2 d2 d2 :|  