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
Horn (instrument) solo", and was distinguished by the use of just five crooks for playing in the most common keys for solo compositions, G, F, E, E, and D. Orchestral horns are traditionally grouped into "high" horn and "low" horn pairs. Players specialize to negotiate the unusually wide range required of the instrument. Formerly, in certain situations, composers called for two pairs of horns in two different keys. For example, a composer might call for two horns in C and two in E for a piece in C minor, in order to gain harmonics of the relative major unavailable on the C