Create chord progressions that enrich the harmonic structure of the provided musical piece.
D | G2 B A/B/cA | B2 G AFD | G2 B A/B/cA | B/c/dB G2 :: c | 
 B2 d g2 d | e/f/ge dBG | B2 d g2 d | e/f/ge d2 :: B | c2 e dBG | 
 AcA B2 G | c2 e dBG | A/B/cA G2 :|  
X:1
L:1/8
M:6/8
K:G
 D |"G" G2 B"D7" A/B/cA |"G" B2 G"D7" AFD |"G" G2 B"Am" A/B/cA |"D7" B/c/dB"G" G2 :: c | 
"G" B2 d g2 d |"C" e/f/ge"G" dBG |"G" B2 d g2 d |"C" e/f/ge"D7" d2 :: B |"C" c2 e"G" dBG | 
"D7" AcA"G" B2 G |"C" c2 e"G" dBG |"D7" A/B/cA"G" G2 :|  