From Wiki:

Various kinds of thumb pianos have existed in Africa for thousands of years. The tines were originally made of bamboo but over the years metal keys have been developed. The instrument is known by different names in different regions of Africa, including mbira, mbila, mbira huru, mbira njari, hurdy gurdy, mbira nyunga, marimba, karimba, kalimba, likembe, and okeme, as well as marímbula (also called kalimba) in the Caribbean Islands.

If you would like to hear a beautiful piece of music played on this instrument, please watch and listen! Soothing Musical Instrument Kalimba

This is another piece of music to listen to! Danny Boy on a Kalimba