PARTY ON—Where better to celebrate Halloween than in a creepy old warehouse under the Hawthorne Bridge with a huge cumbia band? Nowhere, that's where. Get your sexy bumblebee/trashcan/Romney/whatever costume on and head to the Oregon Cement Building for a party-down time with Sun Angle and the Orquestra Pacifico Tropical. SM
w/1939 Ensemble, Gulls, Electric Ill; Oregon Cement Building, 111 SE Madison, 8 pm, $5-10, 21+, BYOB

WHORES OF YORE—The history fanatics behind the podcast Kick Ass Oregon History are determined to prove the past isn't boring. They make a good case with the sorta-Halloween-themed show about the history of Portland's brothels, and the long-dead sex workers who haunt them. Plus! A 35mm screening of arguably the best prostitute movie of all time: Midnight Cowboy. AH
Mission Theater, 1624 NW Glisan, 9 pm, $6-8, 21+