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Re: Marching Warm Up Tuning A=440+?
When it's above 83-85, I'll tune to A442. For every 10 degrees above 72-75 it's about 1/2" out on trumpet, 3/4" out on TB, and 1" out on tuba. So if it's 75 inside and 95 outside you're talking about 3" further out on tuba. Tuning to A442 won't make THAT much difference, but it will be easier to get some instruments down.