Create a fitting sequence of chord changes that enhance the given musical piece.
"^A" D | G2 G GBd | e2 e dBG | A2 d BAG | E2 F G2 :|"^B" d | 
 e2 d B2 d | gfe d2 d | e2 d B2 d | gfe d2 c | B2 B Bcd | e2 e dBG | 
 A2 d BAG | E2 F G2 :|[M:4/4]"^C" d4 | e4 d4 | B4 d4 | g2 f2 e4 | 
 d4 d4 | e4 d4 |[M:3/8] B2 d |[M:6/8] gfe d2 c | B2 B Bcd | 
 e2 e dBG | A2 d BAG | E2 F G2 :|  
X:1
L:1/8
M:6/8
K:G
"^A" D |"G" G2 G GBd |"C" e2 e"G" dBG |"D7" A2 d"G" BAG |"C" E2"D7" F"G" G2 :|"^B" d | 
"G" e2 d B2 d |"C" gfe"G" d2 d |"G" e2 d B2 d |"C" gfe"D7" d2 c |"G" B2 B Bcd |"C" e2 e"G" dBG | 
"D7" A2 d"G" BAG |"C" E2"D7" F"G" G2 :|[M:4/4]"^C""G" d4 |"C" e4"G" d4 | B4 d4 |"Em" g2 f2"A7" e4 | 
"D7" d4"G" d4 |"C" e4"G" d4 |[M:3/8]"G" B2 d |[M:6/8]"C" gfe"D7" d2 c |"G" B2 B Bcd | 
"C" e2 e"G" dBG |"D7" A2 d"G" BAG |"C" E2"D7" F"G" G2 :|  