Design a suitable chord progression that aligns with and enriches the provided tune.
Bd | g3 B2 A | GAG GBd | efe edB | dBA A2 B | g3 B2 A | GBd g2 a | 
 bag fge | fdd d :: e | faa faa | faa agf | gbb gbb | gbb bag | faa faa | 
 ede g2 a | bag fge | fdd d2 :|  
X:1
L:1/8
M:6/8
K:D
 Bd |"G" g3"D" B2 A |"G" GAG GBd |"Em" efe edB |"D" dBA A2 B |"G" g3"D" B2 A |"G" GBd g2 a | 
"Em" bag"A" fge |"D" fdd d :: e |"D" faa faa | faa agf |"G" gbb gbb | gbb bag |"D" faa faa | 
 ede"G" g2 a |"Em" bag"A" fge |"D" fdd d2 :|  