In a look ahead at a week of Cambridge and Somerville events, the vibe is strangely spooky with a Third Annual “Hafoween,” Crypt Night, Zombie Prom and Here Come the Mummies performing, but there’s also Arab American and Japanese festivals, a Glowball “anti-gala,” Taylor Swift trivia and comedian Emma Willmann.

The Harvard Art Museums freshens up their collection in various mediums with “Future Minded,” but photography selections are particularly noteworthy. 

In a look ahead at a week of Cambridge and Somerville events, there’s Paul Giamatti’s “Chinwag” podcast, The Bread and Puppet Theater, Record Store Day, “Secret Sounds of Ponds” and other Earth-related events, cake decorating and Shakespeare’s 460th Birthday.

The process of converting an outsider artist’s home into affordable housing begins this month with a community meeting, and a famous fence is coming down too.

The Curated Fridge may be our smallest art gallery: the front and one side of artist Yorgos Efthymiadis’ kitchen refrigerator in his home in East Somerville.

In a look ahead at a week of Cambridge and Somerville events, there’s Sri Lankan cooking, Susanna Kaysen and “Girl Interrupted” a “Little Prince” opera, a Patriots Day colonial fair, Space Week, Grolier Poetry history, a bluegrass festival and a Flat Top Johnny’s reopening pool party.

On view at Somerville’s Brickbottom Gallery through April 28, “The Shape of Color – 5 Abstract Artists” has a deceptively simple concept.

In a look ahead at a week of Cambridge and Somerville events, Jason Mantzoukas does improv comedy, Angélique Kidjo performs, there’s an archaeology fair, advice on how to run the Boston Marathon, the answer to “Can we grow buildings?” and an all-clarinet band.

Katarina Burin’s “objects laying around” is fun and fresh, combining precise, geometric architectural renderings with oddball, food-inspired sculptures.

In a look ahead at a week of Cambridge and Somerville events, there’s poet Nikki Giovanni, sex revolutionary Candida Royalle, joke fests and mystery comedy, new plays and folk metal, “Dope Science,” a tribute to Lana Del Rey and “Essays in Praise of Excess.”