This is a generational genius summit of the first order. Byrne and 29 year-old art-pop wunderkind Annie Clark both share a love of wiry tunefulness and worldly grooves. But the casual chemistry they display on the first song they've released from Love This Giant, their collaborative album due this fall, is still kind of shocking; "Who" has a  bit of early Talking Heads' airy minimalism, sharpened by smartly collaged horns, chain-gang vocal samples and noise-knot guitar shots.  And Clark is a hell of a high-IQ hook girl.

Listen to "Who":

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• David Byrne and St. Vincent Will Release 'Love This Giant' in September

“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.”