Construct congruent chords that enhance the existing musical piece.
|: F/E/ | D/E/F/G/ A B | =c A A G | A d d c | d3 e | f d e3/2 d/ | 
 c A A3/2 B/ | c A G/F/ E | D3 :: d/e/ | f d e d | c A A d/e/ | f d e f | 
 g2 a3/2 g/ | f d e d | c A A3/2 B/ | c A G/F/ E | D3 :|  
X:1
L:1/4
M:2/2
K:D
|: F/E/ |"D" D/E/F/G/ A B |"C" =c A A G |"D" A d"A7" d c |"D" d3 e |"D" f d"Em" e3/2 d/ | 
"A" c A A3/2 B/ |"A" c A G/F/ E |"D" D3 :: d/e/ |"D" f d"G" e d |"A" c A A d/e/ |"D" f d e f | 
"G" g2"A" a3/2 g/ |"D" f d"Em" e d |"A" c A A3/2 B/ |"G" c A"A7" G/F/ E |"D" D3 :|  