It was jb's vocal jb was singing even before ferre joined wenge,but they were preparing pdg makambo before the split,so ferre knew the vocal and its well known that "politically" nsone wanted ferre to challenge jb to get ferre on a higher level so ferre reproduced it
serge palmi is neither a song of burkina or mpela himself but a song of the late chella aksanti which alain mpela knew since his uncle nkoumen ilo was in a group of kingasani ya suka with chella,senado and some other guys
but then he added some parts