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SAY YEA—With second album Odd Blood, Yeasayer have fully embraced the synth-wrapped '80s-funk sound they'd previously been hinting at. Be sure to arrive in time to catch opener Sleigh Bells, who bring a fat-bottomed, full-tilt dance party to your face—and all the other parts of your body. NL
Wonder Ballroom, 128 NE Russell, 9 pm, $15-18, all ages

MELT—Global warming was a controversial idea 20 years ago when Bill McKibben first wrote about it—and for some reason, it still is. Recently, McKibben led the 350.org movement, and now he's giving a lecture about what's next for our percolating planet. SK
Bagdad Theater, 3702 SE Hawthorne, 7 pm, $24 (includes copy of book)

You look bored. My, What a Busy Week!