Construct congruent chords that enhance the existing musical piece.
|: G/A/ | B G G A | B2 G A/B/ | c A A B | c2 B A | G g g e | d2 B3/2 c/ | 
 d d c/B/ A | G3 :: B/A/ | G g g f | e d c B | A a a g | f d e f | 
 g3/2 a/ g e | d2 B3/2 c/ | d d c/B/ A | G3 :|  
X:1
L:1/4
Q:1/2=112
M:2/2
K:G
|: G/A/ |"G" B G G A |"G" B2 G A/B/ |"Am" c A A B |"D7" c2 B A |"G" G g"C" g e |"G" d2 B3/2 c/ | 
"D7" d d c/B/ A |"G" G3 :: B/A/ |"G" G g g f |"Em" e d c B |"A7" A a a g |"D7" f d e f | 
"G" g3/2 a/"C" g e |"G" d2 B3/2 c/ |"D7" d d c/B/ A |"G" G3 :|  