Cairo Waltz

Cairo is a town in southern Illinois. It is pronounced with a long
A.
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A
-4 -4 -7 -6 -7 -6 +6 -6
+6 -7 -6 +6 +6 +5 -4 -3
-4 +5 +6 +5 -4 -3 -4 
-3 +3 -2 +3 -2 -3 +3 -2
repeat  A
 
B
-2 +3 -3 +4 -4 +5 +6 +5 -4 -3
-2 +3 -3 +4 -4 +5 +6 -4 +5 +6
-2 +3 -3 +4 -4 +5 +6 +5 -4 -3
-4 -3 +3 -2 +3 -2 -3 +3 -2
repeat  B
 
optional ending
-2 -2' -2 +3 -3 -4 +5 -5 +6