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 piston valve instruments were developed just after the start of the 19th century. The "Stölzel valve" (invented by Heinrich Stölzel in 1814) was an early variety. In the mid 19th century the "Vienna valve" was an improved design. However many professional musicians preferred rotary valves for quicker, more reliable action, until better designs of piston valves were mass manufactured towards the end of the 19th century. Since the early decades of the 20th century, piston valves have been the most common on brass instruments except for the orchestral horn and the tuba. See also the article Brass Instrument Valves. Because