Generate chord structures that harmonize with the provided piece of music.
|: AB | cBAG ABcd | e^def"^(E7)" e2 AB | cBAG Acec | B2 E2 E2 AB | 
 cBAG ABcd | e^def"^(E7)" e2 cB | AFBA GEed | c2 A2 A2 :: cd | ecfe dBed | 
 c2 A2 A2 cd | ecfe ^dBba | g2 e2 e2 cd | ecfe dBed | cAdc | BGcB | 
 AFBA GEed | c2 A2 A2 :|  
X:1
L:1/8
M:2/2
K:A
|: AB |"A" cBAG ABcd | e^def"^(E7)" e2 AB |"A" cBAG"F#m" Acec |"Bm" B2 E2"E7" E2 AB | 
"A" cBAG ABcd | e^def"^(E7)" e2 cB |"D" AFBA"E7" GEed |"A" c2 A2 A2 :: cd |"A" ecfe"E7" dBed | 
"A" c2 A2 A2 cd | ecfe"B7" ^dBba |"E7" g2 e2 e2 cd |"A" ecfe"E7" dBed |"F#m" cAdc |"E" BGcB | 
"D" AFBA"E7" GEed |"A" c2 A2 A2 :|  