Construct a harmonious chain of chord progressions that enhance the presented musical piece.
A2 |: d3 e fdAF | GFGA BGEc | dcde fdAF | GAFA EAcA | d3 e fdAF | 
 GFGA BGEA | FADA FAdA |1 BAce d2 A2 :|2 BAce d2 dc |: BG(3GGG BcdB | 
 cA(3AAA cdec | BG(3GGG BcdB | cdeg fedc | BG(3GGG BcdB | 
 cA(3AAA cdec | BG(3GGG BcdB | ceAc d4 :|  
X:1
L:1/8
M:2/2
K:D
 A2 |:"D" d3 e fdAF |"G" GFGA"Em" BGEc |"D" dcde fdAF |"G" GAFA"A" EAcA |"D" d3 e fdAF | 
"G" GFGA"Em" BGEA |"D" FADA"D" FAdA |1"A" BAce"D" d2 A2 :|2"A" BAce"D" d2 dc |:"G" BG(3GGG BcdB | 
"F#m" cA(3AAA"A" cdec |"G" BG(3GGG BcdB |"A" cdeg"D" fedc |"G" BG(3GGG BcdB | 
"F#m" cA(3AAA"A" cdec |"G" BG(3GGG BcdB |"A" ceAc"D" d4 :|  