Construct harmonious chord structures to elevate the given musical piece.
E2 |: A3 E | c3 B | A>B AF | E2 CD | E2 A>B | ce dc | c2 B2 | B2 E2 | A3 E | 
 c3 B | A>B AF | E2 A>G | FA df | ec dB | c2 A2 |1 A2 E2 :|2 A2 (ef/g/) |: 
 aA ce | a>b ag | fA df | e2 ed | c>B Ac | ef eA | c2 B2 | B2 (ef/g/) | aA ce | 
 a>b ag | fA df | e2 A>G | FA df | ec dB | c2 A2 |1 A2 (ef/g/) :|2 A2 E2 |: 
 C3 D | E2 cB | A>B AF | E2 CD | E2 A>B | ce dc | c2 B2 | B2 E2 | C3 D | 
 E2 c>B | A>B AF | E2 A>G | FA df | ec dB | c2 A2 |1 A2 E2 :|2 A2 (ef/g/) |: 
 aA ce | a>b ag | fA df | e2 ed | c>B Ac | ef eA | c2 B2 |1 B2 (ef/g/) | aA ce | 
 a>b ag | fA df | e2 A>G | FA df | ec dB | c2 A2 | A2 (ef/g/) :|2 B2 E2 | 
 C3 D | E2 c>B | A>B AF | E2 A>G | FA df | ec dB | c2 A2 | A2 z ||  
X:1
L:1/8
M:2/4
K:A
 E2 |:"A" A3 E | c3 B |"D" A>B AF |"A" E2 CD | E2 A>B | ce"E" dc |"A" c2"E" B2 | B2 E2 |"A" A3 E | 
 c3 B |"D" A>B AF |"A" E2 A>G |"D" FA df |"A" ec"E" dB |"A" c2 A2 |1 A2 E2 :|2 A2 (ef/g/) |: 
"A" aA ce | a>b ag |"D" fA df |"A" e2 ed | c>B Ac | ef eA |"A" c2"E" B2 | B2 (ef/g/) |"A" aA ce | 
 a>b ag |"D" fA df |"A" e2 A>G |"D" FA df |"A" ec"E" dB |"A" c2 A2 |1 A2 (ef/g/) :|2 A2 E2 |: 
"A" C3 D | E2 cB |"D" A>B AF |"A" E2 CD |"A" E2 A>B | ce"E" dc |"A" c2"E" B2 | B2 E2 |"A" C3 D | 
 E2 c>B |"D" A>B AF |"A" E2 A>G |"D" FA df |"A" ec"E" dB |"A" c2 A2 |1 A2 E2 :|2 A2 (ef/g/) |: 
"A" aA ce | a>b ag |"D" fA df |"A" e2 ed | c>B Ac | ef eA |"A" c2"E" B2 |1 B2 (ef/g/) |"A" aA ce | 
 a>b ag |"D" fA df |"A" e2 A>G |"D" FA df |"A" ec"E" dB |"A" c2 A2 | A2 (ef/g/) :|2 B2 E2 | 
"A" C3 D | E2 c>B |"D" A>B AF |"A" E2 A>G |"D" FA df |"A" ec"E" dB |"A" c2 A2 | A2 z ||  