Boston Poetry Slam plays Cantab Underground in Cambridge on Wednesday, September 23, 2026 at 8pm.
<p>The Boston Poetry Slam holds an open mic every Wednesday at the Cantab as part of the weekly show. The Cantab open mic is nationally renowned as one of the best of its kind; it lasts for two hours, is the most well-attended portion of the show, and frequently sells out well before the feature takes the stage. You may read your own poetry, prose, performance poetry, advertisement for a poetry venue, one-act play, six-person group piece, sixth grade diary entry, stump speech, political diatribe