Construct congruent chords that enhance the existing musical piece.
dfaf gfeg | fdAG FGA=c | BGFG EFGg | fdec dcBA | dfaf gfeg | fdAG FGA=c | 
 BGFG EFGg |1 fdec d3 A :|2 fdec defg |]: a2 af dfaf | dfaf bagf | 
 g2 ge =cege | =cege agfg | a2 af dfaf | dfaf bagf | g2 gf gbag |1 
 fdec defg :|2 fdec d3 A |]  
X:1
L:1/8
M:2/2
K:D
"D" dfaf gfeg | fdAG FGA=c |"G" BGFG EFGg |"D" fdec"A" dcBA |"D" dfaf gfeg | fdAG FGA=c | 
"G" BGFG EFGg |1"D" fd"A"ec"D" d3 A :|2"D" fd"A"ec"D" defg |]:"D" a2 af dfaf | dfaf bagf | 
"C" g2 ge =cege |"Am7" =cege agfg |"D" a2 af dfaf | dfaf bagf |"G" g2 gf gbag |1 
"D" fd"A"ec"D" defg :|2"D" fd"A"ec"D" d3 A |]  