ACLU benefit with art, music and film; free chocolate tasting as part of Harvard Square’s Chocolate Festival; 39th Annual Sci-Fi Marathon at MIT; Tchaikovsky’s “Eugene Onegin” opera; and 1Fest hardcore music event.

“Out of the Woods: Fairy Tales Re-imagined” exhibit and opening reception; Opera Bites; The Channels, TRIM and Jroy Divorbison; “What Now?: A Response Event”; and Brew Haha comedy.

Microchondria III short fiction anthology launch party; Maple Syrup Boil Down Festival; Third Annual Empty Bowls Project charity meal; Family Opera’s “The Weaver’s Wedding”; and Accordion Fundraiser for the Nave Galleries.