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
Horn section Horn section A horn section is a group of musicians playing horns. In an orchestra or concert band, it refers to the musicians who play the "French" horn, and in a British-style brass band it is the tenor horn players. In many popular music genres the term is applied loosely to any group of woodwind or brass instruments, or a combination of woodwinds and brass. In a symphony orchestra, the horn section is the group of symphonic musicians who play the French horn (or German horn or Vienna horn). These musicians are typically seated to the back of the ensemble