TO DO TODAY
Pentatonix — 7 p.m., Mohegan Sun Arena; $45-$65; 1-800-745-3000.
Connecticut Gay Men’s Chorus — 4 p.m., Katharine Hepburn Cultural Arts Center, 300 Main St., Old Saybrook; $30; 1-877-503-1286.
Westerly Band Christmas Concert — 2 p.m., Westerly Armory, 41 Railroad Ave.; holiday concert featuring a Christmas sing-a-long and visit from Santa; $5, free for ages 5 and under; westerlyband.org.
Barbershop Extravaganza — 2 p.m., East Lyme Community Center, 37 Society Road; with the Valley Shore A Capella chorus, Voce Quartet and more; $20; (860) 526-9007.
Con Brio Choral Society — 3 p.m., Christ the King Church, 1 McCurdy Road, Old Lyme; Christmas concert with chorus and orchestra; $30, $15 students; (860)
526-5399.
Advent Lessons and Carols — 5 p.m., St. James Episcopal Church, 76 Federal St., New London; performance by the Anglican Singers; free; (860) 442-7519.
U.S. Coast Guard Band — 2 and 7 p.m., Leamy Hall, U.S. Coast Guard Academy, 15 Mohegan Ave., New London; holiday concerts, with matinee for families and an evening show of Christmas classics; free; drivers need valid ID; (701-6826.
Comix Comedy Magic — 5 p.m., Comix at Mohegan Sun; $10-$20; also Jim Spinnato at 8 p.m., $15-$35; 1-800-7453000.
Albano’s Nutcracker — 1 and 7 p.m., Mohegan Sun Cabaret Theatre; classic Christmas ballet show; $32-$38 adults, $26-$32 children; 1-800-745-3000. “It’s a Wonderful Life” — 2 p.m., Ivoryton Playhouse, 103 Main St.; live radio play based on the classic movie; through Dec. 17; $35, $32 seniors, $20 students, $15 children; (860) 767-7318.
“Cinderella at the Christmas Ball” — 2 p.m., Donald L. Oat Theater, 60 Broadway, Norwich; Norwich Arts Center production of a panto twist on the classic Cinderella story; $15 adults, $10 children 12 and under, $35 family; 887-2789.
“The Nutcracker” — 1:30 p.m., Garde Arts Center, 325 State St., New London; performance by the Eastern Connecticut Ballet; $22-$49; (860) 444-7373.
“A Christmas Survival Guide” — 2 p.m., Granite Theatre, 1 Granite St., Westerly; Christmas musical revue; $25, $22 seniors, $15 children 12 and under; (401) 596-2341.
“A Connecticut Christmas Carol” —2 and 6:30 p.m., Terris Theatre, 33 East
Main St., Chester; holiday musical; $54$59; (860) 873-8668.
“Rags” — 2 and 6:30 p.m., Goodspeed Opera House, 6 Main St., East Haddam; musical about the country’s immigrant past; $28-$80; (860) 873-8668.
Old Christmas and Winter Traditions — 2 p.m., Florence Griswold Museum, 96 Lyme St., Old Lyme; historical storytime with musician Thomas Hooker Hanford; free with museum admission; (860) 434-5542 ext. 111.
Christmas Open House — 4-6 p.m., Avery-Copp House, 154 Thames St., Groton; annual event for the holiday season; admission is a donation for the Groton Food Bank; (860) 445-1637.
Super Sunday in the Art Barn — 10 a.m.noon, Coogan Farm, 162 Greenmanville Ave., Mystic; open studio time in the Art Barn; free for member families, $10 for
nonmember families; (860) 536-1216.
Kids Holiday Art Workshop — 10 a.m.noon, La Grua Center, 32 Water St., Stonington; crafts for children with area artisans; $5 suggested donation; (860) 535-2300. Brady’s Brigade Holiday Party — noon, 45 Proteus Ave., Groton; autism support group holiday party with crafts, cookie decoration and a visit from Santa; free; (860) 912-0365. Joy in the Making — 1-5 p.m., Florence Griswold Museum, 96 Lyme St., Old Lyme; drop-in craft for all ages; free with museum admission; (860) 4345542 ext. 111.
Mystic by the A, B, Sea — 1-3 p.m., Bank Square Books, 53 West Main St., Mystic; Marion Kyff Dodd signs her children’s book as part of the Holiday Gift Guide series; free; (860) 536-3795.