Devise chord arrangements to harmonically enhance the given musical passage.
|: c/d/.e z a | ea e2 | ed ed | gf e2 :: c/d/.e z a | ea e2 | ed ed | gf e2 :: df aa | 
 ag gf | fe ag | fe d2 :: df aa | ag gf | fe ag | fe d2 :|  
X:1
L:1/8
Q:1/4=180
M:2/4
K:D
|:"Em" c/d/.e z a | ea e2 | ed ed | gf e2 ::"Em" c/d/.e z a | ea e2 | ed ed | gf e2 ::"D" df aa | 
"G" ag gf |"A" fe ag |"D" fe d2 ::"D" df aa |"G" ag gf |"A" fe ag |"D" fe d2 :|  