I just discovered that its true, after wachting the analyse video of journalist Thierry Dawa and Frank Stemay. Its sad that no big Congolese facebook-pages or youtube-channel is talking about that. They are only there for the buzz.
Brazzos also used to be a member of African Jazz for a short-time and was one of the few who were still alive of the squad who record the song Independence Tcha-Tcha, now there's only one left.