rowuk

uapiper,
If you practice the switch on a daily basis, you will not suffer at all! The same rim MAY offer similar geometry for all horns and be beneficial when you do not have time to practice much.
I had the same thing done many years ago and played Carmina Burana 3 days after the operation. I spit a little blood, but the otherwise the gig went ok. I kept practicing after that, just shorter sessions more often and rinsing with salt water.

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Whenever I feel blue, I start breathing again.