I have been asked to tune pianos to organs in the past week during a summer-like heat wave here. The organs measured more than 20 cents sharp at A4. I feel pretty confident of my pitch raising abilities (at least short term), but really, how much is too much? I know next to nothing about organs, but is there something that can be done to keep them more in tune? Refrigerate the air intake room or something? I know some of you would refuse to tune that sharp, but what's a tech to do? Ken Jankura Newburg, PA
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