Construct a harmonious chain of chord progressions that enhance the presented musical piece.
D | G2 D G>AB | c2 B A2 G | F2 E D>ED | F2 G A>Bc | B>AG B>cd | 
 e2 A A2 G | F2 E DGF | G3- G2 :: d | dB/c/d dB/c/d | G>AG GBG | 
 ec/d/e ec/d/e | A>BA AcA | B>cd efg | f>ga d2 c | B>AG A<cF | G3- G2 :|  
X:1
L:1/8
Q:3/8=70
M:6/8
K:G
 D |"G" G2 D G>AB |"C" c2 B"Am" A2 G |"D" F2 E D>ED |"D7" F2 G A>Bc |"G" B>AG B>cd | 
"Am" e2 A A2 G |"D" F2 E"D7" DGF |"G" G3- G2 :: d |"G" dB/c/d dB/c/d |"Em" G>AG GBG | 
"C" ec/d/e ec/d/e |"D7" A>BA AcA |"G" B>cd"C" efg |"D7" f>ga d2 c |"G" B>AG"D7" A<cF |"G" G3- G2 :|  