If "Die Antwoord" is Afrikaans for "the Answer," then the question is clearly: Are these guys for real? Without deep knowledge of South Africa's white, working-class "zef" subculture, it's hard to say; their videos suggest an elaborate joke, like an Afrikaaner Borat. But even at its most garish -- rave stabs firing, sped-up voices chirping -- there's something weirdly compelling about the music and the rappers' marble-mouthed flow. Half hip-hop, half trance, their beats explode like a low-budget thriller, befitting music that takes American culture and throws it back in our faces.