Construct a compatible series of chord changes that support the given music piece.
A | d2 e | f2 a | d3 | d z A | d2 e | f2 a | e3- | e z A | e2 e | 
 e2 d | c3 | c z a | (c' b) a | (g f) e | d3- | d z :|  
X:1
L:1/4
M:3/4
K:D
 A |"D" d2 e |"D" f2 a |"D" d3 |"D" d z A |"D" d2 e |"D" f2 a |"A7" e3- |"A7" e z A |"A7" e2 e | 
"A7" e2 d |"A7" c3 |"A7" c z a |"A7" (c' b) a |"A7" (g f) e |"D" d3- |"D" d z :|  