You are a clarinetist and you want to approach this technique and you are trying to unlock this skill, this is the right method for you.
The glissando is a technique that allows the passage from one note to another covering all the intermediate pitches like a "sliding or crawling between sounds".
Although it may seem like a simple finger movement, glissando on the clarinet is actually an advanced technique that requires millimeter coordination between embouchure, throat position, air pressure and finger movement.
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