Kinshasa, gigantic metropolis and capital of the Democratic Republic of Congo, is located on the south bank of the Congo River; it is one of the largest cities in sub-Saharan Africa. The inhabitants of the city commonly called Kinois are, if not musicians, great music lovers giving the city of Kinshasa a rich cultural identity where music, notably Congolese rumba, is a social practice based on sharing and a essential factor of intercultural dialogue and social cohesion. The climate is hot all year round, with a dry season from May to September and a rainy season from October to May punctuated by severe storms that occur frequently but rarely last more than a few hours.

Kisumu is an ancient port city in western Kenya located on the shores of Lake Victoria; it constitutes the commercial, industrial and transport center for this region mainly because of its river and rail connections. Its name means a place of “sumo” barter in the Luo language and clearly represents the commercial character of the city. Despite a multi-ethnic population, Kenya's ethnic Luo tribe makes up most of the population of Kisumu City, Kenya's third largest city after Nairobi and Mombasa.

The Mousgoum people are a people of fishermen and breeders established in particular in Central Africa, particularly in northern Cameroon. It is made up of tall, robust and strong people strongly anchored in their traditions. Their ingenuity is illustrated by their unique habitat made up of huts with a particular shape evoking in a pictorial way egg shells, pottery or cannon shells, the term hut shell having finally imposed itself as the most used.