5 to 7 p.m.: The Gallery at Chapin hosts an opening reception for a photography exhibition of Charles Gross, Sand and Water; Chapin School, 4101 Princeton Pike. Exhibit runs through October 28.
8 p.m.: SFJAZZ Collective; McCarter Theater.
11 a.m. to 4 p.m.: Princeton Farmers Market; Hinds Plaza.
2 to 4 p.m.: The American Boychoirs 2011 Fall Season Open Rehearsal; American Boychoir School, 19 Lambert Drive, Princeton.
4:30 p.m.: The Princeton Middle East Society presents What Future for Israel/Palestine?; 101 McCormick (Art Museum), Princeton University.
6 to 9 p.m.: The 8th Annual Gourmet Garden food and wine tasting event sponsored by the Zonta Club of Trenton/Mercer; The Hamilton Manor, 30 Route 156, Hamilton.
8 p.m.: Emerson String Quartet; Richardson Auditorium, Alexander Hall.
8 p.m.: Audra McDonald; McCarter Theater.
8 p.m.: West Windsor Arts Center presents Jean Anouilhs Antigone; West Windsor Arts Center, 952 Alexander Road. Also Saturday at 8 p.m., and Sunday at 2 p.m.
8 a.m. to 9 p.m.: Breast Cancer Awareness Event and Softball Tournament; Mercer County Park, West Windsor. Also Sunday from 10 a.m. to 9 p.m.
8:30 a.m. to 1 p.m.: Unionville Vineyards Wine Harvest Day Camp; 9 Rocktown Road, Ringoes, N.J.
10 a.m.: Multiple Hands: Collective Creativity in Eighteenth-Century Japanese Painting exhibition on view at the Princeton University Art Museum through January 22, 2012.
10 a.m. to Noon: Mercer County Park Commission Autumn Nature Program, Grasshoppers, Crickets, and Spiders, Oh My!; Mercer Meadows, Federal City Road entrance.
10 a.m. to 4 p.m.: Fall Festival to celebrate Blindness Awareness Month in New Jersey; Grounds For Sculpture, 18 Fairgrounds Road, Hamilton.
10 a.m. to 5 p.m.: Hopewell Tour Des Arts; Hopewell Train Station. Also Sunday from 10 a.m. to 5 p.m.
10 a.m. to 5 p.m.: Fall Harvest Weekend at Terhune Orchards with music by Borderline from Noon to 4 p.m.; 330 Cold Soil Road.
7:30 p.m.: Grammy winner and Princeton native Mary Chapin Carpenter to perform her new songs and greatest hits; McCarter Theater.
8:30 to 9:15 a.m.: Sing-along with Alex Mitnick from the Kaleidoscope Band for infants through five years; Princeton Montessori School, 487 Cherry Valley Road, Princeton. Free.
Noon to 4 p.m.: Music on the Farm with Mountain Heritage; Terhune Orchards, 330 Cold Soil Road.
Noon to 5 p.m.: Witherspoon Grills Third Annual Harvest & Music Festival; Hinds Plaza.
1:30 to 3:30 p.m.: The Republican Women of Mercer County & The Hunterdon County Federation of Republican Women host the 15th District Meet and Greet; the home of Sharol Lewis, 2 Fawn Ridge Road, Lebanon, N.J.
3 p.m.: Fun for All A Youth Concert for Everyone with the Westminster Community Orchestra; Richardson Auditorium in Alexander Hall, Princeton University.
3 to 7 p.m.: Zone 7 Dinners on the Farm; Alba Vineyard & Winery, 269 Route 627, Milford.
4 to 8 p.m.: Taste of Lawrenceville; Lawrenceville Main Street.
5 to 7 p.m.: Princeton Center for Yoga & Health offers new special Hot Yoga Alignment Based Teacher Training; 50 Vreeland Drive, Suite 506, Skillman.
Recycling
Noon to 4 p.m.: Music on the Farm with Jay Smarr; Terhune Orchards, 330 Cold Soil Road.
7 p.m.: Independent researcher and oral historian, Linda G. Arntzenius, discusses her book on Princetons Institute for Advanced Study; Princeton Public Library.
7:30 p.m.: Poets at the Library reading; Princeton Public Library.
8 p.m.: Washington Crossing Card Collectors Club meeting: OctoberFest; Union Fire Hall Ballroom, 1396 River Road, Titusville. Auction will follow.
7 p.m.: Former Gov. Jim Florio will speak on Do Voters Really Believe in Change?; Princeton Public Library.
7:30 p.m.: Princeton Macintosh Users Group meeting, Geotagging Digital Photos on the Mac; Princeton Theological Seminary, Stuart Hall, room 6, Alexander Street.
7:30 to 9 p.m.: The Jewish Center of Princeton hosts Dessert and a Panel Discussion, NJ/Princeton Area Housing Needs and Policy How it Affects Middle and Low Income Families, Seniors, and People with Special Needs; 435 Nassau Street, Princeton. Free.
10 to 11 a.m.: Mercer County Park Preschool Nature Program, Spiders, Bats, and Ghosts; Meet at the Marina Playground Picnic Pavilion.
11 a.m. to 4 p.m.: The League of Women Voters of the Princeton Area will be registering voters at the Princeton Farmers Market; Hinds Plaza, Witherspoon Street.
7 to 8:30 p.m.: Buddhism 101 with Beth Evard; Princeton Center for Yoga & Health; 50 Vreeland Drive, Suite 506, Skillman.
7 a.m. to 5 p.m.: American Red Cross open blood drive; Robert Wood Johnson University Hospital, Hamilton Outpatient Services Building, 1 Hamilton Health Place.
9 a.m. to 5 p.m.: Rummage Sale sponsored by the Women of Slackwood Presbyterian Church; 2020 Brunswick Avenue, Lawrenceville. Also Saturday from 8:30 a.m. to 1 p.m.
10 a.m.: The Quaker Bridge Mall Kidgits Program will kick off the Halloween season with pumpkin decorating; Center Court, Quaker Bridge Mall.
2:30 to 4:30 p.m.: The American Boychoir Schools 2011 Fall Season Open Rehearsal; Princeton Center for Arts & Education, 75 Mapleton Road.
6 p.m.: The New Jersey Symphony Orchestra and Music Director Jacques Lacombe celebrate the beginning of the Orchestras 89th season with an Opening Night Celebration; New Jersey Performing Arts Center, Newark.
7:30 p.m.: The West Windsor Arts Council launches its Friday FILM Series with Sansho the Bailiff; West Windsor Arts Center, 952 Alexander Road.
8 to 10 p.m.: Dance Improv hosts a Dance Jam with live music; All Saints Church, 16 All Saints Road, Princeton.
9 a.m. to 12:30 p.m.: Lawrenceville Main Street Farmers Market; 16 Gordon Avenue, Lawrenceville.
10 a.m. to 3 p.m.: Cat Adoption & Pet Adoption Center and Belle Mead Animal Hospital in conjunction with AlleyCat Allies host a Feral Cat Awareness Fun Day; Belle Mead Animal Hospital, 872 Route 206, Hillsborough.
10 a.m.: Hearing Loss Association of New Jersey hosts the 4th Annual Garden State Walk4Hearing 5K; Mercer County Park West, Hughes Drive, West Windsor.
10 a.m. to Noon: Harvest Festival (Scarecrow Event); Lawrenceville Main Street.
11 to 11:45 a.m.: Stony Brook-Millstone Watershed Associations Itty Bitty Book Club for Preschoolers; Buttinger Nature Center, 31 Titus Mill Road, Hopewell Township.
11 a.m. to 6 p.m.: Mercer Countys first Cultural Festival; Mercer County Park, West Windsor.
Noon to 4 p.m.: Music on the Farm with Paw Paw and the Levee Riders; Terhune Orchards, 330 Cold Soil Road.
1 p.m.: The Kidz Cabaret: Story Pirates; Bergen Performance Arts Center, 30 North Van Brunt Street, Englewood. Also at 3 p.m.
2 p.m.: The Kingston Greenways Associations annual fall foliage walk; Mapleton Preserve/D&R Canal State Park, 145 Mapleton Road, Kingston.
2 p.m.: Westminster Conservatory Student Recitals; Williamson Hall, Westminster Choir College. Also at 3:30 p.m. Free.
5 p.m.: Leukemia and Lymphoma Societys Light the Night Walk, dinner and entertainment provided; Princeton Forrestal Village.
9 p.m. to Midnight: Central Jersey Dance Society presents open Argentine Tango dancing; Suzanne Patterson Center, Monument Drive, Princeton.
8:30 a.m. to 1 p.m.: Adath Israel Congregation holds a community blood drive; 1958 Lawrenceville Road, Lawrenceville.
10 a.m. to Noon: Lawrenceville Main Streets Harvest Festival; 17 Phillips Avenue, Lawrenceville.
Noon to 3 p.m.: Annual Family Fun and Safety Day; Mercer County Park, near West Picnic and Marina areas.
Noon to 4 p.m.: Art Out art show and reception featuring seven local artists displaying woodwork, sculptures, ceramics, baskets, and paintings to benefit Isles Organization; 298 Hopewell Amwell Road, Hopewell. Free.
12:30 to 3:30 p.m.: Mercer County Park Commission Autumn Nature Program, Nature on the Farm: Natures Harvest; Howell Farm.
1 to 3 p.m.: Rambling Pines Day Camp open house; Route 518, Hopewell.
2 p.m.: Author Melissa Harris-Perry discusses her book, Sister Citizen; Princeton Public Library.
3 p.m.: Richardson Chamber Players, Art & Memory; Richardson Auditorium, Alexander Hall, Princeton University.
3 p.m.: Songs With and Without Words: Liszts Transcriptions; Bristol Chapel, Westminster Choir College.
3 to 5:30 p.m.: Floyd Fest for Education: A Jazzy Event to Support the Jim & Fannie Floyd Scholarship Fund at Mercer County Community College; 1200 Old Trenton Road, West Windsor.