Construct harmonious chord structures to elevate the given musical piece.
E | E2 E | F2 E | E3- | E2 E | E2 c | e2 d | c3- | c3 | (c2 B) | 
 A2 c | E3 | A3 | B2 c | B2 A | A3- | A2 |]  
X:1
L:1/4
M:4/4
K:A
 E |"A" E2 E |"D" F2 E |"A" E3- |"E7" E2 E |"A" E2 c |"E7" e2 d |"A" c3- | c3 |"C#7" (c2 B) | 
"F#m" A2 c |"C#m" E3 |"F#m" A3 |"Bm" B2 c |"E7" B2 A |"A" A3- | A2 |]  