Create a series of chord progressions to enhance the harmonic aspect of the given piece of music.
dc | BdGB AcFA | G g2 f g2 dg | edcB AGFE | D2 d2 dedc | BdGB"^a" AcFA | 
"^b" Ggfg dGBd | cBAG FDEF | G2 B2 G2 :: dc | Bgfg dgBg | cgfg egcg | 
 Bgfg dgdB | c2 A2 A2 dc | Bgfg dgBg | cgfg egcg |"^b" BgdB cAFA | G2 B2 G2 :|  
X:1
L:1/8
M:4/4
K:G
 dc |"G" BdGB"D" AcFA |"G" G g2 f g2 dg |"C" edcB"Am" AGFE |"D" D2 d2 dedc |"G" BdGB"D""^a" AcFA | 
"G""^b" Ggfg"Em" dGBd |"Am" cBAG"D" FDEF |"G" G2 B2 G2 :: dc |"G" Bgfg dgBg |"C" cgfg egcg | 
"G" Bgfg dgdB |"D" c2 A2 A2 dc |"G" Bgfg dgBg |"C" cgfg egcg |"G""^b" BgdB"D" cAFA |"G" G2 B2 G2 :|  