Design various chord structures to improve the overall harmony of the assigned musical composition.
A3 | A3 | e3/2 A/ B | (A G E) | G3 | G3 | B3/2 A/ B | (A G E) | 
 c3 | d3 | e3/2 ^f/ g | (B A G) | A3/2 B/ e | (d c B) | A3- | A3 | 
 e3 | e3 | d3/2 e/ g | e3/2 d/ B | G2 G | (d2 B) | (e2 e) | (d c B) | 
 A3 | c3 | d3/2 e/ g | B3/2 A/ G | A3/2 B/ e | (d c B) | A3- | A3 :|  
X:1
L:1/4
M:3/4
K:C
"Am" A3 |"Am" A3 |"C" e3/2 A/ B |"Em" (A G E) |"G" G3 |"G" G3 |"Bm" B3/2 A/ B |"Am" (A G E) | 
"Am" c3 |"G" d3 |"C" e3/2 ^f/ g |"Em" (B A G) |"Am" A3/2 B/ e |"G" (d c B) |"Am" A3- |"Am" A3 | 
"Am" e3 |"Am" e3 |"G" d3/2 e/ g |"Am" e3/2 d/ B |"G" G2 G |"Bm" (d2 B) |"Am" (e2 e) |"Bm" (d c B) | 
"Am" A3 | c3 |"G" d3/2 e/ g |"Em" B3/2 A/ G |"Am" A3/2 B/ e |"G" (d c B) |"Am" A3- |"Am" A3 :|  