20 HARPS—YU and Fear No Music are celebrating the 100th birthday of John Cage with an evening of "Cageian" compositions and collaborations from a variety of responsible, capable musicians, wholly in the spirit of Cage. It's thinky for a Friday night, but thinky is your brain's bread and butter. SS
YU, 800 SE 10th, 8 pm, $12.50-25, all ages
AFTER DARK—The Portland International Film Festival's PIFF After Dark boasts the fest's most interesting-sounding films: Tonight, there's Norway's "violent and twisted" thriller Headhunters; tomorrow there's the Hong Kong action flick Let the Bullets Fly, and next weekend brings Great Britain's jarring Kill List and South Korea's Invasion of the Alien Bikini. EH
Headhunters, Fri Feb 17; Let the Bullets Fly, Sat Feb 18; Kill List, Fri Feb 24; Invasion of the Alien Bikini, Sat Feb 25; all at Cinema 21, 616 NW 21st, 11:30 pm, $9-10
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