The Wenge is segment is a big classic and it's amazing what they accomplished in a relatively short amount time compared to their musical ancestors. They're teenagers/young adults here, but they carried themselves in a manner far beyond their years; "BCBG" was seen in everything they did.
I saw the documentary long ago, and rewatched a while back. Yes, they brought some legends to explain their story, but Congolese music is far more complex than what they cover and there are lots of holes throughout. Very disappointing for some of us who know the in's and out's of the genre. A missed opportunity