The Big Takeover from New York’s Hudson Valley performs Reggae, Rocksteady and Ska, all with a modern flair. Food trucks on hand, Barn Bar open. Tickets (link below) $26.50 plus processing. Free for children under 12.

In the Pulitzer Prize finalist and Obie Award-winning comedy-drama “4000 Miles,” after completing a cross-country bicycle trip, a 21-year-old and his feisty 91-year-old grandmother become often-unharmonious roommates but find an emotional connection and purpose. Various curtain times Tuesdays through Sundays, reduced ticket prices during previews August 23 through the 26th.

Lachat Town Farm’s popular Farmers Market features live music, fresh farm produce, artisanal vendors, gourmet food trucks, beer and wine, farm animals and children’s programming. Information about reservations, the children’s area, and parking at the link below.

The Democratic Town Committees of Weston, Westport, Wilton, Ridgefield, Redding, and Easton host a rally as a kickoff for November’s general election. Food trucks, music, raffles, and a play area for kids. Speakers include Gov. Lamont, Lt. Gov. Bysiewicz, Sen. Blumenthal, A.G. Tong, and the party’s candidates for state and legislative offices.

The 61st annual Mark Twain Library Book Fair offers about 65,000 books, media, games, puzzles, and many other items. Free admission and parking, credit cards accepted. Early bird entry on Friday at 8:00 am, $20. Items half-priced on Sunday. On Monday, $10 for a box of books.

Enjoy music and food trucks starting at 5:30, then at sunset, “Ghostbusters Afterlife” (PG-13) brought to you by the Weston Commission for the Arts. Callie inherits a farmhouse that turns out to be haunted. Who ya gonna call? Ghostbusters. Cast members from the original, including Bill Murray, Dan Aykroyd, and Sigourney Weaver, return for this sequel. Rain date the 4th.

New items, gently used items, handmade items — everything from toys to crafts, candles, garage and garden items, crystal, china, housewares, jewelry, Weston-themed items, and more. Sellers: reserve spaces (while they last) by calling the Senior Center at (203) 222-2608. Rain date: Sunday.

Travel back to the the swingin’ 1920s, 30s and 40s with an al fresco concert as Vince Giordano and the Mini Hawks 7 play music by the likes of Duke Ellington, Tommy Dorsey, Artie Shaw, and Frank Sinatra. Special guests: Miss Maybell & The Jazz Age Artistes with Charlie Judkins and Brian Nalepka. Classic cars on display, food trucks, beer, wine, and desserts. Purchase tickets at the link below. Rain date: September 18.

Returning for a triumphant third consecutive year to close out the season, Grateful Dead connoisseurs the Stella Blue’s Band perform. Food trucks on hand, Barn Bar open. Tickets (link below) $26.50 plus processing. Free for children under 12.

Housatonic Habitat for Humanity celebrates 30 years of building, renovating, and repairing affordable houses in the region. Hosted by comedian Christine O’Leary, with food, cocktails, a bourbon tasting, a wine pull, and live and silent auctions. Tickets $125 or $1,000 for groups of 10, link below. Inquire about sponsorships, donations, and advertising by email, link below.

A walk sponsored by the Alzheimer’s Association, aimed at raising awareness and funds for care, support, and research into the disease. Registration at the link below. The Walk of either 1.1 or 2.2 miles begins at 10:30.