Last winter, as South African rave-rap trio Die Antwoord’s fame grew exponentially (getting enough web traffic to crash their homepage), videos of vocalists Ninja and Yo-landi Vi$$er — otherwise known as Watkin Tudor Jones and Yolandi Visser — in their previous incarnations as rap personalities “surfaced” on the internet, “exposing” the group as what many deemed to be “South Africa’s Ali G.” But while British comedian Sasha Baron-Cohen was forced to retire his Ali G and Borat characters as they became ubiquitous and instantly recognizable — the punchlines were no longer possible when everyone was in on the joke — Jones and Visser are not pranking isolated targets to the delight of audiences. They are punking fans into thinking that Die Antwoord has always been like this: loud, crude, and undeniably enigmatic.

MONDAY

Last seen in D.C. opening for She & Him at the 9:30 Club in July, L.A. folk-pop duo The Chapin Sisters bring their enchanting vocal harmonies back to Iota tonight, showcasing new material from their well-received second album, Two. Leslie Stevens and Neema open. $12. 8 p.m.