Na Kozong a, Congolese roots rock band Jupiter & Okwess stretch themselves, incorporating a breadth of styles and a murderer’s row of guest stars, and no fewer than half a dozen languages. Produced far from their home base of Kinshasa, in Los Angeles, the band proves just how far Congolese music has reached and how elastic they themselves can be. Na Kozonga ends up feeling like a survey sampler of the history of Congolese music—even rumba’s in there but you have to squint your ears to really hear it. On the album’s opening salvo, “Telejayi” the band hits with their