Over at Smart Monkey TV:
...a more contemporary version of African sub-culture is the Kenyan cult group Just a Band, who grew up nurtured by Radiohead and Jamiroquai. They started producing music that was out of the mainstream of Kenyan pop music and became famous through a video called Makmende that went viral globally. In an interview recently with Just a Band they talked (only half-jokingly) about the existence of Kenyan Goths.More here
Once you start looking for them, a number of different sub-cultures come into view. Death Metal Angola is an upcoming documentary directed by Jeremy Xido. The film takes a look at the development of a rock subculture in Angola. The unlikely figures at its core are Sonia Ferreira and Wilker Flores who run and live in the Okutiuka orphanage in Huambo and have a dream. They are going to mount the first ever national rock concert, bringing together for the first time the best and the brightest in Angolan hardcore death metal, thrash metal and melodic death-core. A German heavy metal site name checks Neblina, a metal band based in the capital Luanda.