Happening in town this weekend

Museums across the town hold their challenge this weekend, and artist open up their studios to a tour. We'll have more on those events later in the day, but for now here is a wrap-up of other activities this weekend.

TONIGHT

Commack

Men's Social Club: Lecture, "The Secrets Behind Every Loving Relationship” with buffet lunch, 10:30 a.m.-2 p.m. at Suffolk Y JCC, 74 Hauppauge Rd., $14, 631-462-9800.

Huntington

Music Entertainment: HPL Cafe features singer and guitarist Glen Roethel, 7:30 p.m. at Huntington Library, 338 Main St., free, call to register for open mic (18 and older), 631-427-5165, ext. 242.

Melville

Acoustic Guitarists: Music social, dinner, open mic, 7:30 p.m. at Bertucci's Restaurant, 881 Walt Whitman Rd., $5, reserve, 631-665-3699.

Northport

"Twice Told Tales”: Eerie tales performed, 7:30 p.m. at Northport-East Northport Library, 151 Laurel Ave., free, 631-261-6930.

TOMORROW

Centerport

Folk Music Show: Featuring singer, songwriters and guitarists Marjorie Thompson and Bonnie Lee Panda, 7:30 p.m. at Congregational Church of Huntington, 30 Washington Dr., $10, fmshny.org, 631-661-1278.

John Lennon: A birthday celebration, 7:30 p.m. at Five Towns College, Dix Hills Center for the Performing Arts at Five Towns College, 305 N. Service Rd., $20, $15 senior, 631-656-2148.

Mysteries of Magic: With Scott Interrante, 11 a.m. and 2 p.m. at Dix Hills Center for the Performing Arts at Five Towns College, 305 N. Service Rd., $10, $5 children, 631-656-2148.

Huntington

Book Signing: Tom Perrotta will speak about and sign his book, "The Abstinence Teacher,” which exposes the powerful emotions that run beneath the surface of modern American family life, 8 p.m. at Book Revue, 313 New York Ave., free, 631-271-1442.

Northport

”The Wizard Of Oz”: Musical performance for children and adults, noon at John W. Engeman Theater, 250 Main St., $12, must reserve, engemantheater.com, 631-261-2900.

SUNDAY

Cold Spring Harbor

Egg Stripping: Learn about trout reproduction, 1 and 3 p.m. at Cold Spring Harbor Fish Hatchery and Aquarium, 1660 Route 25A, $5, $3 seniors and those 3-17, free younger than 3, 516-692-6768.

Huntington

Fall Rummage Sale: Gently used clothing for men, women, children and infants, toys, books, shoes and assorted household items, 9:30 a.m.-2 p.m. at Huntington Jewish Center, 510 Park Ave., free admission, 631-427-1089.

Fundraiser: A 5K run-walk, benefits Darfur refugee camps, light social afterward, 8:30 a.m.-12:30 p.m. at Unitarian Universalist Fellowship of Huntington, 109 Browns Rd., $35, $17 younger than 18, 631-427-9547.

Lloyd Neck

Bird Walk for Beginners: Instructional program for the novice adult birder, 2-mile walk, bring binoculars, 2:30-4:15 p.m. at Caumsett State Historic Park, 25 Lloyd Harbor Rd., $3, $6 parking fee, 631-423-1770.

Melville

Slot Car Show and Swap Meet: Buy-sell-trade Aurora HO slot cars and other types, 10 a.m.-2 p.m. at Hilton Long Island / Huntington, 598 Broadhollow Rd., $5, free admission for children, 203-804-2455.

Northport

Erik's Reptile Adventure: Herpetologist Erik Callendar brings a green iguana, a blue tegu, a mata mata tortoise and other exotic animals to see and touch, 2 p.m., Northport-East Northport Library, 151 Laurel Ave., free, tickets required, 631-261-6930.

Ghosts of Long Island: Kerriann Flanagan Brosky, author of "Ghosts of Long Island: Stories of the Paranormal” and paranormal investigator Joe Giaquinto share tales of Long Island's ghosts, 3:30-5 p.m., Northport Historical Society and Museum, 215 Main St., $3, 631-757-9859.

"Jekyll and Hyde”: Musical thriller based on Robert Louis Stevenson's classic story, 2 p.m. Sunday, 8 p.m. Thursday, 3 and 8 p.m. Saturday, through Nov. 11, at John W. Engeman Theater, 250 Main St., $55, 631-261-2900.