Key (instrument) Key (instrument) A key is a specific part of a musical instrument. The purpose and function of the part in question depends on the instrument. On instruments equipped with tuning machines, violins and guitars, for example, a key is part of a tuning machine. It is a worm gear with a key shaped end used to turn a cog, which, in turn, is attached to a post which winds the string. The key is used to make pitch adjustments to a string. With other instruments, zithers and drums, for example, a key is essentially a small wrench used to turn
Pepa (instrument) Pepa (instrument) The pepa is a hornpipe musical instrument that is used in traditional music in Assam, India. It is usually made with the horn of a buffalo. "Pepa" is a hornpipe which has been used during Bihu celebrations since ancient times. It was mostly blown by the Deori priests in olden times to imitate the music needed to summon Tian gods, much like the Shofar used by Jews. The Tibetans and ancient Chinese also used similar instruments named "Rwa-dun" for religious rituals. Later, it was used as a musical instrument for festive occasions like Bihu. As the buffalo population