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 later charged that Angelo Dundee had loosened them, and this story is supported by Norman Mailer in the book "The Fight"), allowed Ali to lean back and away from Foreman's wild swings and then to clinch Foreman behind the head, forcing Foreman to expend much extra energy untangling himself. Ali also constantly pushed down on Foreman's neck but was never warned about doing so. To this day, it is unclear whether Ali's pre-fight talk of using speed and movement against Foreman had been just a diversionary tactic or whether his use of what became known as the "rope-a-dope" tactic was