Tosca, Opera New Jersey, NJPAC, Newark, 609-799-7700, Puccini's three act opera in Italian with English supertitles. $25 to $125. A production with New Jersey Symphony Orchestra., www.operanj.org, 3 p.m.

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Westminster Symphonic Choir, Westminster Choir College, Princeton Presbyterian Church, 545 Meadow Road, West Windsor, 609-921-2663, Concert of contemporary and classic choral masterworks featuring works of Bernstein and Bach. Conducted by Melissa Richardson and Matthew Robertson. Eric Plutz accompanies. $10., www.rider.edu, 3 p.m.

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St. Petersburg State Orchestra, State Theater, 15 Livingston Avenue, New Brunswick, 732-246-7469, Roman Leontiev conducts works of Ravel, Chopin, and Shostakovich. Alexandrew Pirojenko is piano soloist. $36 to $58. Pre performance insights at the United Methodist Church at 2 p.m. Discounted tickets available., www.StateTheatreNJ.org, 3 p.m.

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Choral Reading, Princeton Society of Musical Amateurs, Unitarian Universalist Congregation, 50 Cherry Hill Road, Princeton, 609-587-7123, Gilbert & Sullivan's 'The Gondoliers.' Chorus rehearsal at 3 p.m. All singers are invited to join. No auditions. Vocal scores provided. Refreshments. $10 for singers. Free for students and non-singing guests., www.princetonol.com/groups/psma, 4 p.m. to 7 p.m.

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Brother in Harmony Chorus, Doylestown Presbyterian Church, 127 East Court Street, Doylestown, PA, 215-348-3531, Four part a capella singing by men in the area. Free will offering., www.dtownpc.org, 4 p.m.

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Eugene Onegin, Princeton University, Lewis Center, 185 Nassau Street, 609-258-1500, Pushkin's script and Prokofiev's music. $12., www.princeton.edu, 8 p.m.

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Wine and Chocolate Wine Trail, Hopewell Valley Vineyards, 46 Yard Road, Pennington, 609-737-4465, $6 includes six wine samples and an etched wine glass., www.hopewellvalleyvineyards.com, Noon. to 5 p.m.

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Patrick Clifford, River Blue Cafe, 49 Bridge Street, Frenchtown, 908-996-8811, Irish-American music., riverbluecafe.com, 1 p.m.

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Jazzy Sundays, Hopewell Valley Vineyards, 46 Yard Road, Pennington, 609-737-4465, Carol Heffler plays jazz standards, blues, and her original songs. Wine by the glass or bottle; brick oven pizza, and cheese platters are available., www.hopewellvalleyvineyards.com, 2 p.m. to 5 p.m.

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Sue Bartels and George Sinkler, Stockton Inn, 1 Main Street, Stockton, 609-397-1250, Vocals and piano., www.stocktoninn.com, 6 p.m.

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Chris Harford, John & Peter's, 96 South Main Street, New Hope, 215-862-5981, www.johnandpeters.com, 9:30 p.m.

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Singing Valentines, Princeton Garden Statesmen, Location chosen by the caller., 888-636-4449, A barbershop quartet, dressed in tuxedos, presents two love songs, a personalized card, a rose, a candy treat, and a photograph of the event. Register. $75., www.princetongardenstatesmen.com, 9 a.m.

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Art Exhibit, Gallery 14, 14 Mercer Street, Hopewell, 609-333-8511, Meet Larry Parsons, the photographer of 'Variations on Three Ancient Greek Themes.' An exhibit divided into three parts featuring Parsons' love of ancient Greek history, literature, and art. On view to March 11., www.photogallery14.com, 1 p.m. to 3 p.m.

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Art Exhibit, West Windsor Arts Council, 952 Alexander Road, West Windsor, 609-716-1931, Demonstration and lecture by Eva Mantell in conjunction with 'Recyclone,' an exhibition featuring works by Eva Mantell, Ina Brosseau Marx, and Eric Schultz. On view to February 29., www.westwindsorarts.org, 1:30 p.m.

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Sunday Spotlight Tours, Zimmerli Art Museum, George and Hamilton streets, New Brunswick, 732-932-7237, Informal introduction to the museum presented by a museum guide. Free with museum admission., www.zimmerlimuseum.rutgers.edu, 2 p.m.

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Gallery Talk and Highlight Tour, Princeton University Art Museum, Princeton campus, 609-258-3788, Free., artmuseum.princeton.edu, 2 p.m.

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Art Exhibit, Monmouth Museum, Brookdale Community College, Newman Springs Road, Lincroft, 732-747-2266, Opening reception for 'Pure Expression,' an exhibit of paintings by artists with disabilities in the Arts Access Program at the Matheny Medical and Educational Center in Peapack. On view to March 18., www.monmouthmuseum.org, 3 p.m. to 5 p.m.

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A Concert of Romance and Dance, Roxey Ballet, Canal Studio Theater, 243 North Union Street, Lambertville, 609-397-7616, Highlights from the ballet's repertory showcases new works by Randy James and dancers of Rutgers University. Each show includes guest appearances, talkbacks, and live music. Register. $26., www.roxeyballet.com, 3 p.m.

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Boeing-Boeing, Paper Mill Playhouse, 22 Brookside Drive, Millburn, 973-376-4343, Comedy by Marc Camoletti about an American playboy juggling three flight-attendant fiances, one American, one French, and one Italian. He has it figured out until a fast new Boeing jet puts the women on a collision course. $25 to $96., www.papermill.org, 1:30 p.m. and 7 p.m.

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25th Annual Putnam County Spelling Bee, Villagers Theater, 475 DeMott Lane, Somerset, 732-873-2710, Musical comedy where audience members may enter the competition. $18., www.villagerstheatre.com, 2 p.m.

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Red, George Street Playhouse, 9 Livingston Avenue, New Brunswick, 732-246-7717, Drama about abstract expressionist painter Mark Rothko and his young assistant received six Tony awards, including Best Play. Directed by Anders Cato and features Bob Ari and Randy Harrison. $25 to $62., www.gsponline.org, 2 p.m. and 7 p.m.

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Come Back, Little Sheba, Actors' NET, 635 North Delmorr Avenue, Morrisville, PA, 215-295-3694, Drama by William Inge focuses on a middle-aged couple in the 1950s. For mature audiences. $20., www.actorsnetbucks.org, 2 p.m.

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The Convert, McCarter Theater (Berlind), 91 University Place, Princeton, 609-258-2787, World premiere of Danai Gurira's new play set in the region that would become Zimbabwe circa 1895. Directed by Emily Mann. $20 to $60. Pre-show talk in Berlind rehearsal room at 1:15 p.m., www.mccarter.org, 2 p.m.

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Much Ado About Nothing, Mason Gross School of the Arts, Levin Theater, George Street, New Brunswick, 732-932-7511, Shakespeare's comedy set in Sicily in post World War I with live jazz music. $25., www.masongross.rutgers.edu, 2 p.m.

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Cat on a Hot Tin Roof, Playhouse 22, 721 Cranbury Road, East Brunswick, 732-254-3939, A drama about a Southern family by Tennessee Williams. $20., www.playhouse22.org, 3 p.m.

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A Raw Space, Bristol Riverside Theater, 120 Radcliffe Street, Bristol, 215-785-0100, World premiere drama by Jon Marans about two high powered couples in an interior design competition. $30 to $50., www.brtstage.org, 3 p.m.

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America Rising: Voices of Today, Bristol Riverside Theater, 120 Radcliffe Street, Bristol, 215-785-0100, 'Faery Tales.' Light supper followed by staged reading. Register., www.brtstage.org, 5 p.m.

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Play Lab, Passage Theater, Mill Hill Playhouse, Front and Montgomery streets, Trenton, 609-392-0766, Eight writers present their work for critique by the audience. Register. Free., www.passagetheatre.org, 5 p.m.

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Princeton Environmental Film Festival, Princeton Public Library, 65 Witherspoon Street, Fireplace on second floor, 609-924-9529, Screening of 'Cave of Forgotten Dreams' at 11 a.m.; 'The Whale' at 4:30 p.m. Panel discussion of 'Green Burial is a Natural with Mark Harris and Laurie Powsner of the Funeral Consumer Alliance at 1 p.m. Short films and a talk by Stan Waterman and Carrie Manfrino focusing on underwater photography in the central Caribbean., www.princetonlibrary.org, 11 a.m.

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Acme Screening Room, Lambertville Public Library, 25 South Union Street, Lambertville, 609-397-0275, Bicycle Film Fest. $15., www.acmescreeningroom.ticketleap.com, 5 p.m.

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Spring Festival, New Jersey Film Festival, Voorhees Hall #105, 71 Hamilton Street, New Brunswick, 732-932-8482, Screening of 'Ten Glorious Seconds,' Simon Pitts; 'Mary and Bill,' Andrew Napier; and 'Boom Varietal,' Sky Pinnick. $10., www.njfilmfest.com, 7 p.m.

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Ballroom Blitz, Central Jersey Dance Society, Unitarian Church, 50 Cherry Hill Road, Princeton, 609-945-1883, Quick step lesson followed by open dancing. No partner needed. $12., www.centraljerseydance.org, 6 p.m.

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Author Event, Hickory Corner Library, 138 Hickory Corner Road, East Windsor, 609-448-1330, Dinesh Sharma, author of 'Obama in Hawaii and Indonesia: The Making of a Global President.' Sharma, a resident of West Windsor, is a senior fellow at the Institute for International and Cross-Cultural Research at St. Francis College. Signed copies will be available for purchase., www.mcl.org, 2 p.m. to 4 p.m.

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Princeton Chapter of the English Speaking Union, Lawrenceville School, Kirby Center, 2500 Main Street, Lawrenceville, 609-896-1738, 'Becoming Winston Churchill: The Untold Story of Young Winston and His American Mentor' presented by Michael McMenamin, author of five books. Free., www.lawrenceville.org, 3 p.m.

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Author Event, Princeton United Methodist Church, Nassau at Vandeventer Street, 609-924-2613, 'Influence Driven Spirituality' presented by Dale G. Caldwell, CEO of Strategic Influence and author of 'School to Work Success' and 'Tennis in New York City: the Most Important Sport in the Most Important City in the World.' $5., www.princetonumc.org, 8 a.m.

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Black History Month, St. Michael's Episcopal Church, 140 North Warren Street, Trenton, 609-392-8086, Baruti Kafeli, a motivational speaker and educational consultant. Ethnic covered dish festival follows his talk., www.stmichaelstrenton.com, 10 a.m.

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Women's League Tea, Adath Israel Congregation, 1958 Lawrenceville Road, Lawrenceville, 609-806-4977, Lisa V. Kogen, author of 'With Strength and Splendor, Jewish Women as Agents of Change.' Register. $12., www.adathisraelnj.org, 3 p.m.

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Friendship Circle, Mercer Friends, Princeton area, 609-683-7240, Game time for Jewish adults with special needs. Register. Free., www.mercerfriends.com, 6 p.m.

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Valentine's Day Brunch, Sophie's Bistro, 700 Hamilton Street, Somerset, Alex and the Hot Club of the D&R performs from noon to 2 p.m., www.sophiesbistro.net, 11:30 a.m.

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Wine and Chocolate Weekend, Silver Decoy Winery, 610 Windsor-Perrineville Road, East Windsor, 609-371-6000, $5 includes a glass, wine and chocolate pairings, and music., www.silverdecoywinery.com, Noon. to 5 p.m.

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Wine and Chocolate Trail, Terhune Orchards, 330 Cold Soil Road, 609-924-2310, www.terhuneorchards.com, Noon. to 5 p.m.

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Valentine's Day Brunch, Rat's Restaurant, 126 Sculptor's Way, Hamilton, 609-584-7800, Tour the kitchen where chefs prepare entrees right before your eyes. Pastry station follows. Register. $59., www.ratsrestaurant.org, Noon.

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Wine and Chocolate for Lovers, Crossing Vineyards and Winery, 1853 Wrightstown Road, Washington Crossing, PA, 215-493-6500, Valentine's day version of wine and chocolate tasting and learning materials. $35., www.crossingvineyards.com, 2 p.m.

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Garden Club Weekend, Grounds For Sculpture, 126 Sculptors Way, Hamilton, 609-586-0616, Free with park admission., www.groundsforsculpture.org, 10 a.m.

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Blood Drive, Princeton Jewish Center, 435 Nassau Street, Princeton, 609-921-1944, Walk-ins welcome., www.thejewishcenter.org, 9 a.m. to 1:30 p.m.

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Karma Yoga Class, One Yoga Center, 405 Route 130 North, East Windsor, 609-918-0963, Register., www.oneyogacenter.net, 8 a.m. to 9 a.m.

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Classes, Onsen For All, 4451 Route 27, Princeton, 609-924-4800, Introduction to yoga at 9:15 a.m. Gentle yoga at 10:25 a.m. Multilevel yoga at 11:30 a.m. Register. $15 each., www.onsenforall.com, 9:15 a.m.

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Yoga and Zumba, Downtown Performing Arts Center of Lambertville, 54 Mt. Airy Village Road, Lambertville, 609-397-3337, Vinyasa flow yoga incorporates breath with movement for all ages and levels from 11 a.m. to noon. Zumba dance to international music from 12:15 to 1 p.m. Both classes are taught by Suzanne Slade. $5 per class., www.downtownpac.com, 11 a.m.

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Wine Tasting and Yoga, Crossing Vineyards and Winery, 1853 Wrightstown Road, Washington Crossing, PA, 215-493-6500, Vinyasa yoga class for all levels followed by a wine tasting and private tour. Bring a yoga mat. Register. $35., www.crossingvineyards.com, 11:30 a.m.

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Kuser Farm Mansion, 390 Newkirk Avenue, Hamilton, 609-890-3630, Valentine's day craft for kids at 1 p.m. Materials provided. Tours from 11 a.m. to 2:30 p.m. Register. Free., 11 a.m.

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Civil War and Native American Museum, Camp Olden, 2202 Kuser Road, Hamilton, 609-585-8900, Exhibits featuring Civil War soldiers from New Jersey including their original uniforms, weapons, and medical equipment. Diorama of the Swamp Angel artillery piece and Native American artifacts. Free., www.campolden.org, 1 p.m. to 4 p.m.

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Open House, Historical Society of West Windsor, Schenck House, 50 Southfield Road, West Windsor, 609-799-1278, Antique and vintage Valentines on display. Self-guided tour of 1790-1830 kitchen and Victorian double parlor. Exhibit of West Windsor history in museum rooms. English-Dutch barn, outhouse, corn crib, and other farm buildings on view. Donations welcome., 1 p.m. to 4 p.m.

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Walking Tour, Historical Society of Princeton, Bainbridge House, 158 Nassau Street, Princeton, 609-921-6748, Two-hour walking tour of downtown Princeton and Princeton University includes stories about the early history of Princeton, the founding of the University, and the American Revolution. $7; $4 for ages 6 to 12., www.princetonhistory.org, 2 p.m. to 4 p.m.

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Open House, Abington Lines Model Railroad Club, 2066 Second Street Pike, Richboro, PA, 215-598-7720, Large and dramatic railroad features a two-track mainline that is more than 1,000 feet in length. Free admission., Noon. to 4 p.m.

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Open House for Summer Camp, Fernbrook Farms, 142 Bordentown Georgetown Road, Chesterfield, 609-298-4028, Tour the farm on a wagon, visit the animals, and meet the staff. Programs include Fiddlehead Day Camp for ages 6 to 11 and Young Stewards Enrichment program for ages 12 to 14., www.fernbrookfarms.com, 1 p.m. to 3 p.m.

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Star Trek and Science Fiction, USS Avenger, North Brunswick Library, Hermann Road, North Brunswick, Discuss current science fiction on television. Meeting for members of area Star Trek and science fiction fans. All interested persons are welcome. E-mail waidlich@rutgers.edu for information., www.ussavenger.org, 2 p.m.

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Genealogy Club, Beth El Synagogue, 50 Maple Stream Road, East Windsor, 609-443-4454, 'The 1940 Federal Census is Coming in 2012' discussion of what life was like in the 1940s and what to expect in April when the government releases census information related to 1940., www.bethel.net, 7:30 p.m.

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Field Trip, Washington Crossing Audubon Society, Round Valley Reservoir, Hunterdon, 609-737-0070, Birding with Mark Witmer. Register., 8:30 a.m.

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Beginning Birding, Lawrence Nature Center, 481 Drexel Avenue, Lawrenceville, 609-844-7067, Identify birds commonly found in the area during the winter. Bring your own binoculars and bird field guides if you have them. A limited supply will be available to borrow. Dress for the weather. Adults at 8:30 a.m. Children at 10 a.m. Register. Free., www.lawrencenaturecenter.net, 8:30 a.m.

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Walk: Focus on Wintering Ducks, Friends for the Marsh, Spring Lake, Roebling Park, Hamilton, 609-303-0706, Led by Jenn Rogers, Mercer County naturalist., 1 p.m. to 3 p.m.

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Winter Nature Programs, Mercer County Park Commission, Roebling Park, Hamilton, 609-989-6540, Duck Walk. Bring binoculars. Free., www.mercercounty.org, 1 p.m. to 3 p.m.

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Canal Walk, Friends of the Delaware Canal, Tinicum Park, 963 River Road, Erwinna, PA, 215-862-2021, Walk the towpath from Tinicum Park to the Golden Pheasant Inn (2.25 miles roundtrip). Weather-permitting., www.fodc.org, 2 p.m.

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Native Bees in a Changing World, Bowman's Hill Wildflower Preserve, River Road, New Hope, 215-862-2924, Register. $12., www.bhwp.org, 2 p.m.

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Open House, Chapin School, 4101 Princeton Pike, Princeton, 609-986-1702, Pre-K and kindergarten only., www.chapinschool.org, 2 p.m. to 3:30 p.m.

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Pasta Dinner, High School South, 346 Clarksville Road, West Windsor, 609-275-8812, Benefit for the Concert Band program. Dinner catered by Capuano Ristorante in two seatings. Performances by students of the program. $15., www.piratemarchingband.org, 4:30 p.m. and 6:30 p.m.

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Book Sale, South Brunswick Library, 110 Kingston Lane, Monmouth Junction, 732-329-4000, www.sbpl.info, 10 a.m. to 4 p.m.

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Winter Market, The Conservatory, 540 East State Street, Trenton, 609-858-2279, Boutique art and cultural center features art, crafts, food, and a rummage sale., theconservatorynj.com, 2 p.m. to 5 p.m.

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Scrabble Invitational, Classics Used and Rare Books, 117 South Warren Street, Trenton, 609-394-8400, Top players in the area battle for the 12th annual event., Noon.

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Valentine's Day Celebration, Raritan Valley College, Planetarium, College Center, North Branch, 908-526-1200, 'Romancing the Stars,' a star show for couples ages 18 and older, includes a light hearted look at the universe with a show that focuses on stars, constellations, and stories that all celebrate love. Register. $15., www.raritanval.edu, 5 p.m.

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Trenton Titans, Sun National Bank Center, 81 Hamilton Avenue, Trenton, 609-341-1100, Hockey vs. Elmira. $11 and up., www.trentontitanshockey.com, 4 p.m.

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