Authenticité (Zaire) banned all outside Christian religious groups, requiring those who would function in Zaire to become part of one of four recognized umbrella groups. The four were: the Kimbanguist Church (a syncretic church of Zairian origin), the Catholic Church, the Orthodox Churches, and "Les Églises du Christ au Zaire" (ECZ, now Church of Christ in Congo), which covered most of the Protestant confessions. All others were declared illegal. The various Protestant churches had to affiliate with the last of these as communities within the ECZ in Zaire. At the time there were numerous local sects and church groups which had sprung
Zaire 74 performers included Celia Cruz and the Fania All-Stars. The concert was promoted by Don King, as a part of the build-up to the Ali-Foreman fight. At the time of the event, Zaire was run by Mobutu, a dictator who became notorious for corruption, nepotism and human rights violations. Mobutu agreed to host the festival and to help cover its costs. A documentary about the Zaire 74 festival, entitled "Soul Power", was released in 2009. The film was directed by Jeffrey Levy-Hinte, who served as the editor on the 1996 documentary "When We Were Kings", which also contains selections of concert