On her 2008 debut, Santi White synthesized New Wave, post-punk, pop and dancehall strains into her own new flavor of downtown cool. She's at it again on the first single from her long-gestating follow-up – a slippery earworm that opens with airy digital fanfare reminiscent of Drake's triumphal Take Care cut "Headlines," before falling into a dark, post-dub groove that's altogether sexier and more conflicted. "We know now we want more/A life worth fighting for," she purrs over panicky percussion and machine-gun bass – a revolutionary anthem for a frustrated generation. 

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• Photos: Random Notes

“Baby Got Back”

While watching a Budweiser commercial during the Super Bowl, Sir Mix-a-Lot thought the skinny female models in the ad didn’t represent reality. So he wrote this ode to ample bottoms, featuring its famous to-the-point lyric: “I like big butts and I cannot lie.” MTV banished the video, featuring shaking booties and sexually suggestive fruit, to 9 p.m. or later. “I thought my career was over,” he told Rolling Stone. “Then I called Rick Rubin, and I told him the video was banned, and he was like, 'Great!' We sold another 2 million records.”