Yes Papa Wemba was the first to bless him saying le petit poisson sera grand (the small fish will become big) which is why Ferre asked him on this track
On Maitre D'Ecole in one song Papa Wemba gives out a shout to both Ferre and Fally but he says Fally Ipupa but when it comes to Ferre he says Ferre L'Artist tu avais raison
There is your answer Papa Wemba knew the value of Ferre as all the other big starts because this guy has ora