Watertown: The New Repertory Theatre presents “On the Verge,” Eric Overmyer’s play about three time-traveling, Victorian-era women, Saturday at 8 p.m., Sunday at 2 p.m., and Monday at 7:30 p.m., with additional shows through May 25, at the Arsenal Center for the Arts, 321 Arsenal St. $28-$60. 617-923-8487, www.newrep.org.
Lexington: Enjoy 18th-century music and entertainment at the annual Lexington Fife & Drum Muster, featuring a parade, vendors, reenactors, and more than 25 fife and drum corps from around the country, rain or shine, with free events Friday from 7 to 8 p.m. and Saturday from noon to 5 p.m. at the Minute Man National Historical Park’s visitors center on Marrett Road (Route 2A). www.williamdiamondjrs.org.
Sudbury: Paws in the Park, a day of family and canine fun that raises money for homeless dogs that includes a show by Mike Piazza and his Flying High Frisbee Dogs, an agility try-out ring, a parade of adoptable dogs, dog games, silent auction, face painting for kids, an 11 a.m. to noon group walk, and exhibitors, takes place Sunday, 10 a.m. to 3 p.m., rain or shine, at Longfellow’s Wayside Inn, 72 Wayside Inn Road. $10; $5 ages 5 to 12; age 4 and younger free. 978-443-7282, www.saveadog.org.
Hudson, Westborough: Symphony Pro Musica, joined by guest harpist Anna DeLoi, will perform a program entitled “Latin Rhythms,’’ featuring works by Villa-Lobos, Ginastera, and Revueltes, at 7:30 p.m. Saturday at Hudson High School, 69 Brigham St., and 3:30 p.m. Sunday at Mill Pond School, 6 Olde Hickory Path in Westborough. $18 to $25. 978-562-0939, www.symphonypromusica.org.