Idiophones are common instruments found throughout the history of Africa. These instruments include shakers, scrapers, rattles, clappers and castanets. Some (such as the mbira, also called the kalimba) have specific pitches that can be tuned by the length of the plucked rods (called lamellas). Others are typically used for rhythm making and do not have a specific pitch. The rattle and clapper are examples of idiophones that have indefinite pitch.
The picture to the right is a mbira. The Mbira was the predecessor of the Kalimba.