Create chord structures that will improve the harmony of the provided musical section.
|: A | Add"^(G)" efd cde | f3"^[etc.]" def g2 e | Add efd cde | 
 f3 gec d2 :|"_(Alt.: hold A major / A5 / Asus chord until 1st/2nd ending)" |: A | 
 a3 ged cde | a3 gef g2 e | a3 ged cde | f3 gec d2 :|  
X:1
L:1/8
Q:3/8=130
M:9/8
K:D
|: A |"D" Add"^(G)" efd"A" cde |"D" f3"^[etc.]" def"A" g2 e |"D" Add efd"A" cde | 
"D" f3"A7" gec"D" d2 :|"_(Alt.: hold A major / A5 / Asus chord until 1st/2nd ending)" |: A | 
"D" a3 ged"A" cde |"D" a3 gef"A" g2 e |"D" a3 ged"A" cde |"D" f3"A" gec"D" d2 :|  