Brass instrument the player of a brass instrument has direct control of the prime vibrator (the lips), brass instruments exploit the player's ability to select the harmonic at which the instrument's column of air vibrates. By making the instrument about twice as long as the equivalent woodwind instrument and starting with the second harmonic, players can get a good range of notes simply by varying the tension of their lips (see embouchure). Most brass instruments are fitted with a removable mouthpiece. Different shapes, sizes and styles of mouthpiece may be used to suit different embouchures, or to more easily produce certain tonal
Horn section number of horn sections use a consistent group of musicians who become well known as a unit. 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