5 to 7 p.m.: Arts Council of Princeton’s Cinco de Mayo celebration, with Mexican folk crafts, food, and musical entertainment; Albert E. Hinds Community Plaza, Princeton Public Library. Free.
5:30 p.m.: Conversation, “Religion and Politics,” with Ian Buruma and Avishai Margalit; Labyrinth Books, 122 Nassau Street.
7:30 p.m.: Take Flight; Berlind Theatre. Also Thursday at 7:30 p.m., Friday and Saturday at 3 and 8 p.m., Sunday at 2 p.m.
8 p.m.: Princeton Country Dancers; Suzanne Patterson Center.
8 p.m.: All Shook Up; Bucks County Playhouse, New Hope, Pa. Also Thursday at 8 p.m., Friday at 8 p.m., Saturday at 4 and 8 p.m., Sunday at 2 p.m.
Noon: Noontime Recital with The Crosswinds Trio; Witherspoon Street Presbyterian Church, 124 Witherspoon Street.
12:30 p.m.: Organ concert by John Miller; Princeton University Chapel.
4:30 p.m.: Talk, “Return to Space,” by “space tourist” Charles Simonyi, Institute for Advanced Study chairman of the board; Wolfensohn Hall, Institute for Advanced Study. Free.
6 to 8 p.m.: Free oral cancer screening; University Medical Center at Princeton Clinic, Suite B, 253 Witherspoon Street. To register, call (888) 897-8979.
8 p.m.: Princeton University Wind Ensemble; Richardson Auditorium.
9 a.m. to 8 p.m.: Princeton Theological Seminary annual used book sale; Whiteley Gymnasium, Princeton Theological Seminary. Also Saturday from 9 a.m. to 8 p.m., Sunday from noon to 4 p.m., Monday from 9 a.m. to 4 p.m.
6 p.m.: Lecture, “Experiments on Animals in Ancient Greece and Rome: Private and Public Science,” by Heinrich von Staden, Institute for Advanced Study School of Historical Studies; Wolfensohn Hall, Institute for Advanced Study. Free.
7 to 9 p.m.: “In The Garden” Prom for teens and young adults 13 to 30 with special needs; Suzanne Patterson Center. For information, call Stacie at Recreation Department at (609) 921-9480.
8 p.m.: Princeton University Sinfonia; Richardson Auditorium.
8 p.m. Jazz pianist Geri Allen; Taplin Auditorium, Fine Hall.
8 p.m.: My Fair Lady; Kelsey Theatre, Mercer County Community College. Also Saturday at 2 and 8 p.m., Sunday at 2 p.m.
8 p.m.: Tom, Dick and Harry; Off-Broadstreet Theatre, Hopewell. Also Saturday at 8 p.m., Sunday at 2:30 p.m.
9 a.m.: Registration for annual HomeFront 5k Run/Walk for Hope; Educational Testing Service, Rosedale Road.
9 a.m. to 4 p.m.: Annual Heirloom Plant Sale; Morven Museum & Garden, 55 Stockton Street.
9 a.m. to 2 p.m.: Princeton/Pettoranello Sister City Foundation annual Mother’s Day Plant Sale; Community Park North parking lot.
9 a.m. to 2 p.m.: Spring Sale benefiting local charities, with food, live music, silent auction; Unitarian Church, 50 Cherry Hill Road.
10 a.m. to 3 p.m.: Annual Spring Fling; Princeton Shopping Center.
2 p.m.: Simultaneous chess challenge with grandmaster Sergey Kudrin vs. 25 opponents; Hinds Plaza, Princeton Public Library.
2 and 7 p.m.: Princeton Ballet School’s The Sleeping Beauty; Patriots Theatre at the War Memorial, Trenton.
7:30 p.m.: Steve Hudson Chamber Ensemble; Paul Robeson Center for the Arts.
8 p.m.: Princeton University Concert Jazz Ensemble, “Soul on Soul: Celebrating the Music and Legacy of Mary Lou Williams”; Richardson Auditorium.
8 p.m.: Patti LuPone’s one-woman show Coulda, Woulda, Shoulda; McCarter Theatre.
8 p.m.: Westminster Conservatory Community Chorus and Chamber Choir concert, “A Grand Night for Singing”; Bristol Chapel, Westminster Choir College.
8:30 p.m.: Central Jersey Dance Society Ballroom Blitz dance; Unitarian Church, 50 Cherry Hill Road.
3 p.m.: Cecelia B. Hodges in “Go, Tell It,” spoken word reflections on the life of Paul Robeson; Princeton High School Performing Arts Center.
3 p.m.: Eric Mintel Jazz Quartet; Princeton Public Library.
7 p.m.: Chi Rho, Wake Forest Christian men’s a capella vocal group; Princeton United Methodist Church.
10:30 a.m.: Sports Chat with sports broadcaster Dan Brady; Princeton Senior Resource Center, Suzanne Patterson Building. Free.
Noon: Lunch and book discussion by Gina Kolata, author of Rethinking Thin: The New Science of Weight Loss and the Myths and Realities of Dieting; Eno Terra restaurant. For tickets, call (609) 497-1777.
7:30 p.m.: Readings by Delaware Valley Poets Judy Michaels and Chris Cunningham; Barnes & Noble, MarketFair Mall, Route 1.
7:30 p.m.: Take Flight; Berlind Theatre. Also Wednesday and Thursday at 7:30 p.m., Friday and Saturday at 3 and 8 p.m., Sunday at 2 and 7:30 p.m.
7:30 p.m.: Chi Rho, Wake Forest Christian men’s a capella vocal group; Trinity Episcopal Church.
5:30 p.m.: Poetry Reading by John Koethe; Labyrinth Books, 122 Nassau Street.
7 p.m.: Attention Deficit/Hyperactivity Disorder lecture and discussion, “Coping with Bullying,” by HiTOPS Executive Director Elizabeth Casparian; Riverside School, 58 Riverside Drive.
8 p.m.: Princeton Country Dancers; Suzanne Patterson Center.
8 a.m.: Mercer Regional Chamber of Commerce Princeton/West Windsor Chapter Mayor’s breakfast with West Windsor Mayor Shing-Fu Hsueh; Princeton Windrows, 2000 Windrows Drive.
4:30 p.m.: Princeton Middle East Society talk, “War, Terror and the Folly of Empire,” by Chris Hedges; 101 McCormick (Princeton University Art Museum).
6 p.m.: Talk by Nassim Taleb, author of The Black Swan: The Impact of the Highly Improbable; Labyrinth Books, 122 Nassau Street.
7 p.m.: Engaged Retirement Series talk, “Caring For Older Parents,” by Susan Hoskins, Princeton Senior Resource Center Executive Director; Second Floor Conference Room, Princeton Public Library.
7 p.m.: Ringling Bros. and Barnum & Bailey FUNundrum; Sun National Bank Center, Trenton. Also Friday at 10:30 a.m. and 7 p.m., Saturday at 11 a.m., 3 p.m. and 7 p.m., and Sunday at 1 and 5 p.m.
Noon: Brown Bag discussion on Prostate Awareness with Sidney Goldfarb, M.D.; Senior Resource Center, Suzanne Patterson Building. Free. To register, call 609) 924-7108.
3 to 6 p.m.: D&R Greenway Spring Native Plant Sale; Johnson Education Center, One Preservation Place, off Rosedale Road. Also Saturday from 2 to 5 p.m., rain or shine.
7:30 p.m.: Screening of Hole by Princeton native Ben Saltzman; Princeton Public Library.
8 p.m.: My Fair Lady; Kelsey Theatre, Mercer County Community College. Also Saturday at 2 and 8 p.m., Sunday at 2 p.m.
8 p.m.: Tom, Dick and Harry; Off-Broadstreet Theatre, Hopewell. Also Saturday at 8 p.m., Sunday at 2:30 p.m.
8 p.m.: Man Who Came to Dinner; Mount Burke Theater, Peddie School, Hightstown. Also Saturday at 8 p.m.
8 p.m.: Dance Improv; All Saints’ Church, 16 All Saints’ Road.
10 a.m. to 4 p.m.: National Learn to Fly Day hourly presentations; Princeton Airport, 41 Airpark Road.
11 a.m. to 2 p.m.: Dancing by members of American Repertory Ballet’s Princeton Ballet School; Barnes & Noble, MarketFair Mall, Route 1. Free.
2 p.m.: Princeton Symphony Orchestra presentation of The Story of Babar, the Little Elephant with narrator Rossen Milanov and pianist Sylvie Webb; Princeton Public Library. Free.
7 p.m.: Benefit concert for United Front Against Riverblindness with handbell artist Hyosang Park and pianist Akiko Hosaki; Princeton United Methodist Church.
7 p.m.: Shockheaded Peter and Other Cautionary Tales; Arts Council of Princeton. Also Sunday at 5 p.m.
7:30 p.m.: Comedian Joel McHale; State Theatre, New Brunswick. SOLD OUT.
8 p.m.: One Night of Queen; McCarter Theatre.