Build a series of chord progressions that fit well with the existing melody.
"^A" eg | a2 eg a2 eg | a2 ea"^(F+7)" fedc | dfBf dfBf | dfba gefg | 
 a2 eg a2 eg | a2 ea fedc | defd ecBA | E2 G2 A2 :|"^B" ed | ceAe ceAe | 
 ceag fedc | dfBf dfBf | dfba gfed | ceAe ceAe | ceag fedc | defd ecBA | 
 E2 G2 A2 :|  
X:1
L:1/8
M:4/4
K:A
"^A" eg |"A" a2 eg a2 eg |"A" a2 ea"^(F+7)" fedc |"Bm" dfBf dfBf |"Bm" dfba"E7" gefg | 
"A" a2 eg a2 eg |"A" a2 ea fedc |"D" defd"A" ecBA |"E7" E2 G2"A" A2 :|"^B" ed |"A" ceAe ceAe | 
"A" ceag fedc |"Bm" dfBf dfBf |"Bm" dfba"E7" gfed |"A" ceAe ceAe |"A" ceag fedc |"D" defd"A" ecBA | 
"E7" E2 G2"A" A2 :|  