Develop harmonious chord sequences that enhance the given musical composition.
D | G/A/B/A/ GD | EG DG | EG DG | BA AB/A/ | G/A/B/A/ GD | EG DG | 
 EG Dd | BG G :: (3(d/e/f/) | gG Bg | fA ce | dD FA | 
 c/B/A/B/ c/d/e/f/ | gG Bg | fA ce | dD Fd | BG G :|  
X:1
L:1/8
M:2/4
K:G
 D |"G" G/A/B/A/ GD |"C" EG"G" DG |"C" EG"G" DG |"D" BA AB/A/ |"G" G/A/B/A/ GD |"C" EG"G" DG | 
"C" EG"D" Dd |"G" BG G :: (3(d/e/f/) |"G" gG Bg |"Am" fA"C" ce |"D" dD FA | 
"C" c/B/A/B/"D" c/d/e/f/ |"G" gG Bg |"Am" fA"C" ce |"D" dD Fd |"G" BG G :|  