Horn (instrument) a mixture of the two, is called a horn section in these contexts. Variations include: As the name indicates, people originally used to blow on the actual horns of animals before starting to emulate them in metal or other materials. This original usage survives in the shofar (), a ram's horn, which plays an important role in Jewish religious rituals. The genus of animal-horn instruments to which the shofar belongs is called ("keren") in Hebrew, "qarnu" in Akkadian, and ("keras") in Greek. The "olifant" or "oliphant" (an abbreviation of the French "cor d'olifant"/"oliphant", "elephant horn") was the name applied in
Reedless wind instrument a clarinet functions mostly as a wind instrument (aerophone), some percentage of the sound production may be attributed to the beating of the reed, which, although not considered an idiophone, does contribute, to a slight degree, non-aerophonic components to the initial sound production. In reedless wind instruments the solid matter from which the instrument's body is made takes on the role only of containing the fluid (air) that makes the sound. Whereas wind instruments use compressible fluid (air), a new category of instruments, called hydraulophones, use less-compressible fluid (water). Hydraulophones in their most pure form, are reedless. These are called