He uses the word "upstream" incorrectly. Upstream doesn't refer to horn angle, but to the angle of the airstream as it leaves the embouchure. The fact he's placing the mouthpiece mainly on the top lip makes him downstream.
@@AidanRitchie - Not moving, little to no "rotation". Doing everything on one embouchure, ..... ..... whereas Mr. Markey say to do as little as necessary, but then show how to move the piece, for example upwards on the lips while moving the jaw out for the lowest notes.
