Construct harmonious chords that enhance the provided tune.
|: A A B A | A E E F/G/ | A A B A | E2 E2 :: c c c B/c/ | d c"^(E7)" B A | 
 c c c B/c/ | d c B d | c A B A/G/ | A2 A2 :|  
X:1
L:1/4
M:4/4
K:A
|:"A" A A B A |"A" A E"E7" E F/G/ |"A" A A B A |"E7" E2 E2 ::"A" c c c B/c/ |"D" d c"^(E7)" B A | 
"A" c c c B/c/ |"D" d c"E7" B d |"A" c A"E7" B A/G/ |"A" A2 A2 :|  