Embouchure collapse his embouchure and is now playing again, as well as teaching trumpet in the University of Georgia. Several books on the subject are available, including "Broken Embouchures" by Lucinda Lewis, a professional hornist, who has succeeded in helping other brass players with embouchure problems. Embouchure collapse Embouchure collapse is a generic term used by wind instrument players to describe a variety of conditions which result in the inability of the embouchure to function. The embouchure is the purposeful arrangement of the facial muscles and lips to produce a sound on a wind or brass instrument. In brass playing, it involves
Bit mouthpiece of the mouth with direct pressure, and outward toward the front of the mouth when used with leverage pressure from a bit shank. Action: The single-jointed mouthpiece applies pressure to the tongue, lips, and bars. Due to the V-shape of the bit when the mouthpiece is contracted, it causes a "nutcracker" action, which has a pinching effect on the bars. It also causes the joint of the bit to push into the sensitive roof of the mouth if used harshly. A single-jointed bit with a curved mouthpiece has a more "U" shape tends to decrease the pressure on the roof