i was about to say the same thing,he tried to do marie paul's voice probably due to went he went with aime buanga he was doing marie paul's role if i remember well
his friend depitsho also was a different singer in el paris and after
thinking about it ,is not it this concert jf once talked about saying badive did ceremonies which had him feeling like paralysed until the moment of concert and badive told him "its you who will shine a lot in this concert"