Serpent (instrument) also appears in operatic scores by Spontini and Bellini, but it was replaced in the 19th century by a fully keyed brass instrument, the ophicleide, and later on by valved bass brass instruments such as the euphonium and tuba. After that the serpent dropped off in popularity for a period of time. Bernard Herrmann used a serpent in the scores of "White Witch Doctor" (1953) and "Journey to the Center of the Earth" (1959), as did Jerry Goldsmith in his score for "Alien" (1979). In the 1970s, instrument-maker Christopher Monk began playing, and later making Serpents, and in 1976 he
Brass instrument valve Brass instrument valve Brass instrument valves are valves used to change the length of tubing of a brass instrument allowing the player to reach the notes of various harmonic series. Each valve pressed diverts the air stream through additional tubing, individually or in conjunction with other valves. This lengthens the vibrating air column thus lowering the fundamental tone and associated harmonic series produced by the instrument. Valves in brass instruments require regular maintenance and lubrication to ensure fast and reliable movement. The first piston-valved musical instruments were developed just after the start of the 19th century. The Stölzel valve (invented