WHAT DOES HOW TO PLAY ALTISSIMO GLISSANDO ON SAXOPHONE MEAN?

It can help me to imagine the reed over the mouthpiece vibrating as if it were being a Section of my very own system which i can Regulate similar to when singing or speaking. When I power air (blow) previous the reed it’s as though I’m singing in the mouthpiece and reed.Every person's generally asking for altissimo fingerings. But the truth is,