the 3.500 seat Salle de Congres of Palais du Peuple in Kinshasa, used to have big events of artists and bands like Wenge 4x4, BCBG, OK Jazz, Zaiko, Papa Wemba, Koffi Olomide, Emeneya, Tabu Ley, etc.
If i was a big artist I would prefer Salle des Congres above the small GHK (ex'Intercontinental).