Pygmies.

Pygmy groups are scattered throughout equatorial Africa, from Cameroon in the west to Zambia in the southeast. In Zaire, there are three main groups of Pygmies: the Tswa in the west, the Twa between Lake Kivu and Lake Tanganyika, and the Mbuti (also referred to as Bambuti or BaMbuti) of the Ituri Forest. According to Schebesta, the author of the earliest reliable reports, only the Mbuti are true Pygmies, i.e., under 150 cm. in height …

…to stability. The molimo ceremony is performed primarily by men and is associated with singing and the use of a particular type of horn, called the molimo horn. The molimo is particularly associated with death, but it may be performed at any crisis, such as a poor hunting season. The elima ceremony is performed primarily by women and is associated with life-cycle crises of particular concern to women, such as birth, puberty, marriage, and death.