The ilimba is a lamellophone from Tanzania

Tanzania

The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...

. It is a traditional instrument of the Gogo

Gogo (ethnic group)

The Gogo are a Bantu ethnic and linguistic group based in the Dodoma Region of central Tanzania. In 1992 the Gogo population was estimated to number 1,300,000...

 ethnic group and its most famous player in the 20th century was Hukwe Zawose

Hukwe Zawose

Hukwe Ubi Zawose was a prominent Tanzanian musician. He was a member of the Gogo ethnic group and played the ilimba, a large lamellophone similar to the mbira, as well as several other traditional instruments...

, who developed a version of the instrument with between 66 and 72 metal keys.http://www.nscottrobinson.com/mbira.php

The instrument is similar to the Zimbabwe

Zimbabwe

Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...

an mbira

Mbira

In African music, the mbira is a musical instrument that consists of a wooden board to which staggered metal keys have been attached. It is often fitted into a resonator...

but larger, and is tuned to intervals derived from the overtone series.