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Is the Lip Clamp Squeak (LCS) the same as free buzzing?
Absolutely not. The sound is different, and the way you use your lips and set your embouchure is different. It sounds as a balloonpeeeeep or a mosquito.Free lip buzzing tends to pull the lips out of the centre. LCS is the other way around. This is an extremely centered way of producing a tone. I think free lip buzzing is counter productive if you want to benefit from BE.

