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
Mouthpiece (woodwind) assembly or lip rest used in some European double-reed instruments, including the piffero, shawm and rackett. In band shawms, it is carried on the staple on which the reed is mounted On the European shawm, the pirouette replaces the loose disc of the oriental surna, presumably to secure lip-control over the cane reed. The player presses his lips against the pirouette while holding the reed in his mouth. This permits control of the reed by the lips without appreciably affecting the amplitude of its vibration. Mouthpiece (woodwind) The mouthpiece of a woodwind instrument is that part of the instrument which