Papa Wemba an audience with other (at the time) new musical acts such as Bella-Bella and Empire Bakuba. In December 1974, at the pinnacle of their fame (and just a month after the Rumble in the Jungle between Muhammad Ali and George Foreman in Kinshasa), Papa Wemba (usually called 'Shungu Wembadio' at this point in his career) along with Evoloko Lay Lay, Mavuela Somo and Bozi Boziana, left Zaiko Langa Langa to establish their own musical ensemble "Isifi Lokole." Wemba later claimed that ISIFI was an acronym for "Institut du Savoir Ideologique pour la Formation des Idoles," a claim that has still
George Foreman by the WBA and WBC. In 1972, still undefeated and with an impressive knockout record, Foreman was set to challenge undefeated and Undisputed World Heavyweight Champion Joe Frazier. Despite boycotting a title elimination caused by the vacancy resulting from the championship being stripped from Muhammad Ali, Frazier had won the title from Jimmy Ellis and defended his title four times since, including a 15-round unanimous decision over the previously unbeaten Ali in 1971 after Ali had beaten Oscar Bonavena and Jerry Quarry. Despite Foreman's superior size and reach, he was not expected to beat Frazier and was a 3:1 underdog