Generate chord structures that harmonize with the provided piece of music.
|:"^sequence A2 B2 A2 B2""^A" G e/c/ | G e/c/ | G e | e d | G d/B/ | G d/B/ | G d | c2 :: 
"^B" g f/e/ | d e/f/ | g a | a g |1 g f/e/ | d e/f/ | g a | g2 :|2 g f/e/ | 
 d e/f/ | e d | c2 ||  
X:1
L:1/4
M:2/4
K:C
|:"^sequence A2 B2 A2 B2""^A""C" G e/c/ | G e/c/ | G e |"G" e d | G d/B/ | G d/B/ | G d |"C" c2 :: 
"^B""C" g f/e/ |"F" d e/f/ | g a | a g |1"C" g f/e/ |"G" d e/f/ |"C" g a | g2 :|2"C" g f/e/ | 
"G" d e/f/ | e d |"C" c2 ||  