Design a suitable chord progression that aligns with and enriches the provided tune.
fd fa eg | fd fa aa | ec ea ag | fd fa aa | fd fa eg | fd fa aa | 
 gf ed ce | d2 d2"_fine" z2 :: B2 Bg fe | f2 f2 ed | e2 e2 dc | d2 df ed | 
 B2 Bg fe | f2 f2 ed | e2 e2 dc |"_d.c." d6 :|  
X:1
L:1/8
M:3/4
K:D
"D" fd fa"A7" eg |"D" fd fa aa |"A7" ec ea ag |"D" fd fa aa | fd fa"A7" eg |"D" fd fa aa | 
"A7" gf ed ce |"D" d2 d2"_fine" z2 ::"G" B2 Bg fe |"D" f2 f2 ed |"A7" e2 e2 dc |"D" d2 df ed | 
"G" B2 Bg fe |"D" f2 f2 ed |"A7" e2 e2 dc |"_d.c.""D" d6 :|  