kalimba | en

The kalimba is an instrument in the percussion family. It is a modernized version of the African mbira. It is a sound box with metal keys attached to the top to give the different notes. It is also known as the African thumb piano.
The kalimba is a musical instrument from Africa. Several reeds or tines are plucked with the thumb or fingers, and the reed vibrations are amplified by a hollow box resonator or a sounding board. The kalimba is a member of the Lamellophone family of musical instruments.
http://en.wikipedia.org/wiki/Kalimba .