A group of self-proclaimed "zef" (i.e., white trash) South Africans who rap in English and Afrikaans over rave-style beats? Turns out, that's just what hip-hop needed. Die Antwoord's "Enter the Ninja" video went viral in February, introducing the world to Ninja, the group's glowering lead MC, and Yo-Landi Vi$$er, a pixieish sidekick with the world's weirdest mullet. On this EP, Ninja's staccato flow kills even when you only understand every fourth word. Boasting, dissing and smoking dope, Die Antwoord don't dispense with rap clichés — they give them a new accent that's both disorienting and thrilling.

“I'm Yours”

Jason Mraz re-emerged after his disappointing second album with this lead single, a Jack Johnson-esque ditty about giving yourself fully to someone else. The success of the reggae-tinged song (it earned two Grammy nods and a spot on the Billboard singles chart for well over a year) was something the folk-pop singer never predicted when he wrote it in 15 minutes at home. "I played a happy-hippie chord progression that would probably work without 50 different Bob Marley songs," he told Rolling Stone. "I thought, 'It's too novelty. This is a nursery rhyme,'" concluding that "you can never guess what's gonna be a hit."