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This is Halloween! Technically Halloween! Here are two Halloween costume party shows you can attend back to back. At 7 p.m. the Outer Space hosts Misfits cover band BRAINxEATERS, Julio Perdido (Spanish and punk covers), Daniel (pop-punk covers) and Muy Perraz's "sex techno." Various DJs spin ghoulish tunes and $5 will get you in with a costume, $6 if you go civilian.

The Jam has roots rock reggae group New Traditions (formerly the Dubba Dubs) and modern soul masters The Velvet Touch at 9 p.m. and you can bet your best Gomez Addams impression that the $10 cover will be cut in half if you have a costume on.