the mpiaka (although like said on another topic we have become too harsh on it because of clan wenge) was due to two three things,first we must remember that congo brazza's whole population is not even half of kinshasa alone,i believe even the area of tshangu is not far from having more people and they dont have too big of a diaspora,then in that diaspora many were against the concert and there was even a protest during the concert which got some DRC and african in general combattants also involved,secondly surely people also feared because there was those videos of threats,some people even say they'd burn palais des congres like they did with elysee montmartre when wemba and werra had a concert together to be performed then third extra's fame abroad has dropped big time,the group has clearly been weakend by all those gone solo and the level of their songs has kept dropping or becoming too monotonous
while the old extra could fill stadiums for fun with their big hits of then