Logic Pro 9 Global key change affects audio vocal

Hankfan

Logician
I corrected the key signature in Global tracks, and three already-recorded vocals now sound as if I had processed them through a voice-disguising filter. I returned to the original key signature, and the problem went away. Inexplicable. Am I stuck with the wrong key signature?
 

Eli

Logician
Hi George,

That is VERY strange. Really the only way any audio can/should be affected by the Key Signature track is if they are Apple Loops.

This _shouldn't_ make a difference either way in this case, but just to rule out possible voodoo: what happens if you disable the "Follow Tempo" checkbox for these audio regions in the Region Inspector?

And again, just to rule the extremely unlikely, is Flex Time off?
 

Hankfan

Logician
Eli, you are correct. I've turned off the "follow tempo" checkbox in each of the tracks, and the problem is solved. Many thanks!
 
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