Because Rigo Makengo put Sam Tshintu's name it's looks like a solo album. All the songs are from him and not Modogo, Mboshi and the musicians of Kinshasa.

This was after the split with Lebou, Pathy & Somono.

at 2:37 with Lebou attacking Sam very hard

at 7:17 he made it clear why he and Pathy left Academia when Viagra came. Also saying that Academia created by him and Somono. Joined by Sam, Modogo and Mboshi. At the end of the video he talked about Magic System.