Create chord structures that will improve the harmony of the provided musical section.
"^A" cd | e2 ed cd e2 | Bcdc Bc d2 | e2 ed cd e2 | ABcA B2 A2 :|"^B" AB | 
 cAEA cA c2 | dBGB dB d2 | cAEA cA c2 | ABcA B2 A2 :|  
X:1
L:1/8
M:4/4
K:A
"^A" cd |"A" e2 ed cd e2 |"E7""G" Bcdc Bc d2 |"A" e2 ed cd e2 |"A" ABcA"E7""G" B2"A" A2 :|"^B" AB | 
"A" cAEA cA c2 |"E7" dBGB dB d2 |"A" cAEA cA c2 |"A" ABcA"E7""G" B2"A" A2 :|  