Embouchure collapse 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 vibration of the membrane area of the lips. Embouchure collapse in its various forms and extremities generally results in difficulty in playing for extended periods (especially if playing loudly and/or in the high register) or a complete inability to play. The former applies mainly
Bit mouthpiece cable or bar reinforcement. Rubber bits are generally thicker than metal bits, but other types of plastics are also used, often the same size and some flavored. Types of Bits: All types. What it is: The mouthpiece is a straight bar of material, without any joints or ports. In the mullen mouth, the bar has a slight bow to it, curving gently to allow some room for the tongue. Action: The mullen mouth and straight bar are fairly similar in action, placing pressure on the tongue, lips, and bars. The mullen provides extra space for the tongue, instead of constantly