Monday

Campfire. Festival from noon to 11 p.m. Monday at Passim, 47 Palmer St., Harvard Square. Tickets are $10. The final day of Passim’s twice-a-year, four-day homegrown festival of Americana, bluegrass, blues, Celtic, country, folk and related musical styles, now in its 20th year. (Pictured: California’s The Singer & The Songwriter.) A schedule of performers is here.

Suckling Pig on the Patio from 6 to 9 p.m. at Pagu, 310 Massachusetts Ave.,  Cambridgeport near Central Square. Available tickets are at the “student pig” rate for $33.72 total or “ready to pig out” with unlimited roast pork, a drink ticket, tapas, dessert, tax and included gratuity for $49.56 total. Some sheer culinary decadence for Labor Day, with sides that aren’t available on the regular Pagu menu and a lot of resulting possibilities for creations at the table, such as sliders on sake kasu dinner rolls with house pickled onions and barbecue sauce, or pork belly poutine on a bed of fries and gravy. Information is here.

Tuesday

“Radiant Space” exhibit from noon to 6 p.m. (through Oct. 7) at the VanDernoot Gallery in Lesley University’s University Hall, 1815 Massachusetts Ave., Porter Square. Free. This exhibit opening today highlights 10 works by nine artists playing with light and color using materials such as Plexiglas, polyester resin, archival pigments and vacuum-formed plastic – paying homage to Fred Eversley and De Wain Valentine and including vintage works by Jerrold Ballaine, Robert Bruce Stevenson, Hans Breder, Leroy Lamis and Michael Steiner, with contemporary pieces by Anna Bogatin and Gisela Colon (and providing a cool if coincidental extension of Teresita Fernández’s “Autumn (… Nothing Personal)” installation inspired by James Baldwin in Harvard Yard).  Information is here.

The Boston Rap Race Preliminary Round at 8 p.m. at The Middle East Downstairs, 480 Massachusetts Ave., Central Square. Tickets are $13 for this 18-plus show. There are six preliminary rounds in a competition to find the hip-hop act that will win $500, studio time, bragging rights and an opening slot on a national touring show. This final prelim round pits Joseph James, Passport Pudgee, iNFLiKT & Path, YT OlYT Ol, Hunter LaMar (pictured), Cliff Notez, Shawn Colione and Burn Herm against each other in 15-minute sets. The finals are Thursday! Information is here.

Wednesday

Wiretap Wednesday Open Stage from 7 to 9:30 p.m. (with sign-ups at 6:30 p.m.) at The Center for Arts at the Armory, 191 Highland Ave., Somerville. Free. An open mic that founders Ben Quick and Nate Taylor call “open to literally any type of performance art – within the laws of the Commonwealth of Massachusetts unless it’s really cool” that takes advantage of the space’s stage, free parking, piano, many microphones and liquor license. Information is here.

Jeanann Verlee at the Boston Poetry Slam from 7:15 to 11:55 p.m. at The Cantab Lounge, 738 Massachusetts Ave., Central Square. Admission is $3 and requires an ID; the event is 18-plus. Poet Jeanann Verlee, who’s edited Winter Tangerine Review and Union Station, among others, and led the Urbana Poetry Slam, reads at 10 p.m. after two hours of  open mic. Information is here.

Movement Slam from 8 to 9:30 p.m. at Green Street Studios, 185 Green St., Central Square. Admission is $10. Anyone is invited to take part in this combination of storytelling and movement – from trained dancers to absolute beginners. Information is here.

Thursday

Playwriting for a Cemetery from noon to 1:30 p.m. at Mount Auburn Cemetery, 580 Mount Auburn St., West Cambridge. Free. Cemetery artist-in-residence Patrick Gabridge, who is writing a series of short, site-specific plays to be debuted in 2019, will provide a uniquely stimulating lunch in Story Chapel, explaining his process for researching and writing and the challenges and opportunities of writing for outdoor spaces. He’s also doing readings from his works in progress at 1 p.m Saturday for $12.) Information is here.

The Boston Rap Race Finals at 8 p.m. at The Middle East Downstairs, 480 Massachusetts Ave., Central Square. Tickets are $10 in advance or $13 at the door for this 18-plus show. There have been five preliminary rounds in a competition to find the hip-hop act that will win $500, studio time, bragging rights and an opening slot on a national touring show. Now things get serious as winners of the prelims face off. Information is here.

The Great Conversation: How Should We Live? from 6 to 7:30 p.m. at The Abigail Adams Institute, 14 Arrow St., Harvard Square. Free, but RSVP here. If you moved to Cambridge for this kind of thing, you might be insufferable, or on your way to becoming so. But the moment has come to risk it: Anne Knechtges begins the third season in a series examining the “question that lies right at the core of human identity,” with this fall season looking at the works of authors such as John Calvin, Francis Bacon, John Locke and Mary Wollstonecraft and accompanied by a wine-based aperitivo. This session: Calvin’s “Institutes of the Christian Religion Information.” Information is here.

“Your Terrible Ex!” by Naffy Improv from 8 to 9 p.m. (with free refreshments for audience members at 7:30 p.m.) at the Somerville Media Center, 90 Union Square, Somerville. Free. A fully improvised show inspired by true stories of terrible exes is part of this recording session of experimental improvised television. Information is here.

Friday

The Somerville Greek Festival all weekend (starting at 11:30 a.m. today and noon Saturday and Sunday), at 29 Central St., in the Spring Hill neighborhood of Somerville, with food, live music and dancing. Information is here.

Pre-Texts for Baldwin from 3 to 5 p.m. at the site of Teresita Fernández’s “Autumn (… Nothing Personal)” installation at Tercentenary Theatre in Harvard Yard. Free. Participate in creative interpretations of James Baldwin’s essay “Nothing Personal” amid Fernández’s sculpture. Sign up here to join a group reading or use the installation to read any time, or learn a little more about the readings here. It’s part of an entire experience that can be explored here.

Annual Italian Feast of Saints Cosmas and Damian all weekend long (starting at 6 p.m, today, 1 p.m. Saturday and 8:30 a.m. Sunday) at Warren and Cambridge streets, in the Wellington-Harrington neighborhood. Free. This 92nd annual family-friendly feast includes free performances by nationally known recording artists and rides, games, a food festival (with cooking demonstrations by local chefs), eating contests and parades. Information is here.

Launch for spoKe 5 from 7 to 9 p.m. at Grolier Poetry Bookstore on 6 Plympton St., Harvard Square. Free. The Boston-based poetry annual launches its fifth issue with readings by Patrick Sylvain, Audrey Mardavich, D. Eric Parkison and Erin Goodman, who will be reading from translations of work by Jorge Olivero Castillo. Information is here.

Friday Night at The Comedy Studio from 8 to 10 p.m. at Bow Market, 1 Bow Market Way, Union Square, Somerville. Assigned-seating tickets are $15. The new Comedy Studio is open! And this night isn’t sold out yet! Rick Jenkins hosts Mark Gallagher, DJ Hazard, Tooky Kavanagh, Jiayong Li, Peter Martin and comic-in-residence Liam McGurk. Information is here.

“You’re a Good Man, Charlie Brown” from 8 to 10 p.m. (and continuing weekends through Sept. 16) at the Massachusetts Institute of Technology’s Kresge Little Theater in Kresge Auditorium, 48 Massachusetts Ave. General admission is $15. Why would you want to pay the MIT Musical Theatre Guild this much when you can just wait to see your kids do it in middle school? We don’t know either. Information is here. 

Honk! Festival Fundraiser from 8 p.m. to midnight at Aeronaut Brewing, 14 Tyler St., near Union Square, Somerville. Free and all ages, with those under 21 allowed with proper adult accompaniment, and donations accepted throughout the night to back annual Honk! events coming Oct. 5-7. Two hours with the exuberant founders of Honk!, the Second Line Social Aid and Pleasure Society Brass Band, and then an hour with The Party Band, the purple-clad punk street brass crew from Lowell. Information is here.

Saturday

Riverfest from noon to 9 p.m. Saturday at Assembly Row, 355 Artisan Way, Assembly Square, Somerville, with music, art, free children’s activities and a fireworks show over the Mystic River at sundown. Information is here. 

Bread & Puppet Theatre’s “Grasshopper Rebellion Circus” from 3 to 4 p.m. at Cambridge Common, near Harvard Square. Free, with free sourdough rye bread with aioli afterward, and donations and purchase of merchandise welcomed. The shaggy, 55-year-old Bread & Puppet Theater troupe is back from Vermont for its annual end-of-summer visit to remind everyone what hippies look and act like, and also what fun plus political discourse feels like. Bread & Puppet uses a visually rich, slapstick style of street theater filled with huge puppets made of papier mâché and cardboard along with masked characters, political commentary and a brass band for accompaniment. This show, director Peter Schumann says, “is a circus of ruthless critique of 6,000 years of unhuman history and the uprisings against it.” Information is here.

An Evening with Chris Fleming from 8 to 9:30 p.m. at the Massachusetts Institute of Technology’s W97 Theater, 345 Vassar St., Area II. General admission is $20 (or $21.99 with the online service fee). You may know this Cambridge-launched comedian from his YouTube series, but he’s more than just another high-strung suburban mom. Information is here.

Annual Italian Feast of Saints Cosmas and Damian all weekend long (starting at 1 p.m. today and 8:30 a.m. Sunday) at Warren and Cambridge streets, in the Wellington-Harrington neighborhood. Free. Information is here.

“You’re a Good Man, Charlie Brown” from 8 to 10 p.m. (and continuing weekends through Sept. 16) at the Massachusetts Institute of Technology’s Kresge Little Theater in Kresge Auditorium, 48 Massachusetts Ave. General admission is $15. Information is here.

Sunday

Somerville Dog Festival from 11 a.m. to 3 p.m. at Trum Field, 541 Broadway, Magoun Square, Somerville. Free. Family fun (including the dogs in the family) such as contests, demonstrations, vendors and food for people and pets alike with the goals of promoting healthy, happy pet ownership and activities – lowering the need for relinquishment and euthanasia – and raising funds for the needy within our community. Information is here.

Baked: A Confectionary Festival at the Central Flea from 11 a.m. to 5 p.m., at University Park Commons, near Central Square. Free. A first-of-its-kind dessert festival featuring more than 50 of the area’s top pastry chefs, independent bakers and bakeries from around New England among the Flea’s usual roster of food trucks, beer and more than 90 funky vendors. Information is here.

Somerville Rock and Roll Yard Sale from 11 a.m. to 5 p.m. Sunday on Union Square Plaza, 90 Union Square, Somerville. Free. Local, independent sellers offer up a quirky mix of primarily vinyl records and music-related stuff, as well as vintage goods and handmade items. The event includes DJ Patrick Neil Bryant of WMBR spinning between sets of live local acts Sleepyhead, Thea Hopkins and Cotton Candy. Information is here.

Cambridge Carnival from noon to 6 p.m. Sunday in Kendall Square. Free. The 26th Annual Cambridge Carnival International Festival and Parade arrives in its usual spectacular fashion. It starts in Central Square with a parade to Kendall Square, where the Caribbean/African-themed carnival is home to dazzling handmade costumes accompanied by the music of DJs and bands playing world music, Haitian roots, reggae and Soca. A variety of savory foods will be for sale, and there’s plenty for kids to do, most free. The carnival has drawn crowds of up to 100,000 people. Information is here.

Cafe Zing Poetry Open Mic from 5:30 to 6:30 p.m. Sunday at Porter Square Books, 25 White St., Porter Square. Free. Sign-ups begin at 5:15 for three-minute time slots. Information is here.

Somerville Toy Camera Festival opening reception from 6 to 8 p.m. Friday at The Nave Gallery, 155 Powderhouse Blvd., near Teele Square, Somerville. Free. The toy camera festival has drawn two dozen artists from as far away as California and Poland, highlighted for their skills using low-tech tools to create high art. The juried exhibition is up through Sept. 30, but the opening reception may be the best way to dive into this annual celebration of lo-fi imagery. Information is here.

The Weirdo Show, hosted by Niki Luparelli, from 8 to 10 p.m. at The Comedy Studio, 1 Bow Market Way, Union Square, Somerville. Tickets are $15 (or $16.45 with the online service fee). This children’s show for adults – with wacky neighbors, edu-tainment and backstage bickering on the frontstage – launches at the brand-new Studio with helpers Mark Gallagher, Ethan Marsh, Jimmy Cash, Lindita Taka, Michael Atkinson, Victoria Queen, Kandi Dishe, Charlie Cockpit, Nathan Burke, Andy Ofiesh, Sarah Blodgett and comic-in-residence Liam McGurk. Information is here. (Update on Sept. 7, 2018: Luparelli says this show has been delayed to Oct. 7.)

Annual Italian Feast of Saints Cosmas and Damian all weekend long (starting at 8:30 a.m. Sunday) at Warren and Cambridge streets, in the Wellington-Harrington neighborhood. Free. Information is here.

“You’re a Good Man, Charlie Brown” from 8 to 10 p.m. (and continuing weekends through Sept. 16) at the Massachusetts Institute of Technology’s Kresge Little Theater in Kresge Auditorium, 48 Massachusetts Ave. General admission is $15. Information is here.