Estelle is the rare one-name diva whose main appeal is her approachability. It's been four years since the round-the-way London girl's breakthrough, Kanye-abetted hit, "American Boy," but she's still the same proud graduate of the Lauryn Hill/Mary J. Blige school of warm, tough hip-hop R&B. Co-writer John Legend and guests like Rick Ross and Janelle Monáe help Estelle construct a multifaceted album – from the resilient post-breakup neo-soul of "Thank You" to the self-affirming boom-bap of "Speak Ya Mind." "I can be so pretentious/But he likes me all the same," she sings on the gingerly hopeful "Break My Heart"; it's her kind of realness, conversational and smooth just the same.

Listen to "Break My Heart":

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• Photos: Random Notes

“Time to Pretend”

Listening to MGMT’s breakthrough song, one might interpret it as being about the excesses of rock stardom, but it’s actually about the duo’s pet praying mantis. Ben Goldwasser and Andrew VanWyngarden told Rolling Stone they got the idea from the insect's jerky movements. The mantis died, but the two bandmates kept the egg sack and allowed the hundreds of eggs to hatch. “We tried to name them all, but they died after a day,” said Goldwasser, with VanWyngarden chiming in, “But the praying mantis dance inspired us.”