Create chord progressions that enrich the harmonic structure of the provided musical piece.
D2 | G2 BG d2 Bd | efge edBd | ceAc BdGB | ABcA GFED | G2 BG d2 Bd | 
 efge edBd | ceAc BdGB | cAFA G2 :: d2 | gfga bgdg | edef gdBd | 
 gfga bgdg | edcB A2 Bd | gfga bgdg | edef gdBG | DGBd gdBd | 
 cAFA G2 :|  
X:1
L:1/8
M:2/2
K:G
 D2 |"G" G2 BG d2 Bd |"C" efge"G" edBd |"C" ceAc"G" BdGB |"Am" ABcA"D" GFED |"G" G2 BG d2 Bd | 
"C" efge"G" edBd |"C" ceAc"G" BdGB |"C" cA"D"FA"G" G2 :: d2 |"G" gfga bgdg |"C" edef"G" gdBd | 
"G" gfga bgdg |"Am" edcB"D" A2 Bd |"G" gfga bgdg |"C" edef"G" gdBG |"G" DGBd gdBd | 
"C" cA"D"FA"G" G2 :|  