TO DO TODAY

— 7:30 p.m., Mohegan Sun Arena; $85-$105; 1-800-745-3000. — 8 p.m., Mohegan Sun Wolf Den; free.

— 4:30 p.m., Evans Hall, Connecticut College, 270 Mohegan Ave., New London; Francesco Cavalli’s “L’Erismena,” the first opera to be performed in English, performed by Baroque Academy Vocal Soloist students; free; also “A Tapestry of Early Music,” performance by top international early musicians at 7:30 p.m.; $25, $20 students and seniors; amherstearlymusic.org.

— 7 p.m., Cadet Memorial Field, Coast Guard Academy, 15 Mohegan Ave., New London; outdoor performance; free; valid photo ID required; (860) 701-6826.

— 8:30 p.m., Side Door Jazz Club, 85 Lyme St., Old Lyme; $32; (860) 434-2600. — 8 and 10:30 p.m., Comix at Mohegan Sun; $15-$35; 1-800-745-3000. — 2 and 8 p.m., Foxwoods’ Fox Theater; through Mon.; $45-$65; 1-800-200-2882.

— 11 a.m., Stonington High School, 176 Broad Street, Pawcatuck; children’s operetta performed by The Lollipop Opera; free; 535-0658.

— 8 p.m., Groton Senior Center, 102 Newtown Road; musical presented by Groton Regional Theatre; through July 23; $25; (860) 446-1363.

— 11 a.m.-2 p.m., Garde Arts Center, 325 State St., New London; children’s production with the Missoula Children’s Theatre as part of the Summer on Stage series; $10; 444-7373.

— 7:15 p.m., Eugene O’Neill Theater Center, 305 Great Neck Road, Waterford; reading of a new play about the dark side of AAU and NCAA Division 1 basketball; part of National Playwrights Conference; $30; (860) 443-1238.

— 2 and 8 p.m,. Katharine Hepburn Cultural Arts Center, 300 Main St., Old Saybrook; production by the Saybrook Stage Company; $17$23; (877) 503-1286.

— 8 p.m., Granite Theatre, 1 Granite St., Westerly; $20, $17 seniors, $12 children; (401) 596-2341.

— 3 and 8 p.m., Goodspeed Opera House, 6 Main St., East Haddam; $76-$81; (860) 873-8668.

— 8 p.m., Ivoryton Playhouse, 103 Main St., Ivoryton; $50 adults, $45 seniors, $22 students, $17 children; (860) 767-7318.

— 8:30 a.m.-11 p.m., North Stonington Fairgrounds, Wyassup Road; $9, children under age 12 free; (860) 535-3956.

— 10 a.m.-2 p.m., Ledyard Fairgrounds, Route 117, Ledyard; third annual Ledyard Rotary event; free; rain date July 22; (860) 460-2287.

— 10 a.m.-5 p.m., Crozier Student Center, Connecticut College, 270 Mohegan Ave., New London; free; amherstearlymusic.org.

— 10 a.m. -3 p.m., Bill Memorial Library, 240 Monument St., Groton; outdoor art festival with regional artists; free; (860) 445-0392.

— 5-8 p.m., Montville Center, 601 Route 32; free; facebook. com/SCMC1.

— 3-9 p.m., Main Street, Niantic; more than 200 local vendors for food, entertainment; free; celebrateeastlyme.com.

— 4 p.m., Dragon’s Egg Theatre and Dance Studio, 401 Shewville Road, Ledyard; performance of scenes from Nicholas Checker’s novel “Druids” to benefit the rebuilding of owner Dan Potter’s art studio; free, donations accepted; 4448711.

— 1 p.m., Bank Square Books, 53 West Main St., Mystic; Mystic author Debbi Michiko Florence reads from and signs her new Jasmine Toguchi children’s series; crafts and snacks provided; free; (860) 536-3795.

— 3-10 p.m., St. John’s Episcopal Church, 400 Main St., Niantic; games, rides and treats to benefit the church’s community outreach programs; (860) 739-2324.