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
Chiba (instrument) Chiba (instrument) Chiba () is one of the oldest Chinese musical woodwind instruments. It is a type of xiao, meaning it is a vertical end-blown flute. Unlike the northern xiao, is bears resemblance to most of the southern xiao, in that it is shorter, wider, has an open mouthpiece, slightly conical, and generally has a root end. Of the three main types of southern xiao (known as nanxiao) it is the one that most closely resembles the Japanese shakuhachi (also 尺八). Most nanxiao (and northern beixiao) have a "notched" mouthpiece that is either U-shaped (Cantonese style) or V-shaped (Fujianese style),