Weekend Picks

What to do this weekend in Northern Westchester:

Pleasantville Music Festival This signal event of summer brings together over 5,000 people to enjoy a day of music, food and fun. Big Head Todd and the Monsters, Hill Country Revue, and Davy Knowles and Back Door Slam lead this years’ mix of world class talent from the Hudson Valley and beyond. Saturday, 11:00 am to 8:00 pm. Pleasantville Music Festival

North American Butterfly Count Butterfly enthusiasts can join this citizen-scientist monitoring effort and learn about these fluttery jewels. Saturday, 10:00 am. Teatown Lake Reservation

Pickling 101 Workshop Learn how to preserve the harvest by pickling cucumbers and other in-season vegetables from the farm. Saturday, 10:00 am to 1:00 pm. Hilltop Hanover Farm

Course and Sculpture Tour The artist Edward Tufte will teach a short version of his famous course on visual thinking, followed by a tour of his major sculpture exhibition for participants of this (expensive) fundraiser. Saturday, 1:00 to 6:00 pm. Aldrich Contemporary Art Museum

History Under the Stars Bring a tent, a picnic, and your flashlight, and enjoy colonial crafts, a campfire, tour of the historic house, and an overnight camping experience. The 19th century barn will be available for those with just a bed roll. Saturday, 6:00 p.m. to Sunday, 10:00 am. John Jay Homestead

Alisa Weilerstein One of the most brilliant cellist of her generation, Alisa Weilerstein performs a celebration of Haydn and Schubert with the Orchestra of St. Luke's. Saturday, 8:00 pm. Caramor Center for Music and the Arts

Dave Mason Rock and Roll Hall of Famer Dave Mason brings down the house with hits from his illustrious 30 year career. Saturday, 8:00 pm. Tarrytown Music Hall

Divas '09 Celebrating 10 years of the Hudson Stage Company, this fundraiser features a silent auction, cocktails, deserts, and a concert on the grounds of a stunning home in Yorktown Heights. Saturday, 7:00 pm. Hudson Stage Company

Dare to Stare As part of the museum's Second Saturday Party, Marcy B. Freedman will present her newest solo performance piece in which she invites guests to sit down—one at a time —and stare at her, while she stares back. Saturday, 7:00 to 9:00 pm. Katonah Museum of Art

Midsummer Night Music The summer concert series kicks off with the Ridgefield Symphony Orchestra playing compositions by Mozart, Beethoven, and Wagner. Gates open at 5:00 for picnicking. Saturday, 6:00 pm. to 8:00 pm. Lasdon Arboretum

Organic Raspberry U-pik Come and pick nutritious, delicious raspberries at this 1825 organic farm. Saturday, 10:00 am to 6:00 pm; Sunday, 2:00 to 6:00 pm. Amawalk Farm

Insects Learn about this incredibly diverse group of organisms and the many important jobs they do in our local ecosystems. Sunday, 1:00 pm. Westmoreland Sanctuary

Turtle Time Kids can learn more about these interesting critters and can meet some up close. Sunday, 11:00 am. Teatown Lake Reservation

Gone With the Wind: 70th Anniversary Showing Enjoy Vivien Leigh and Clark Gable in all their big-screen glory—in the very theater where the film was shown in 1939. Sunday, 6:00 pm. Tarrytown Music Hall

Summer Fair Come and enjoy music, crafts, demonstrations, hay rides, and meet the 4-H Clubs from the local area. Sunday 11:00 am to 3:00 pm. Muscoot Farm

Croton Garden Tour View a variety of local and private gardens. Enjoy refreshments and a plant sale, too. Sunday, 12:30 to 5:00 pm. Jane E. Lytle Memorial Arboretum

Latino Mystery Readings Three authors read their works from Hit List: The Best of Latino Mystery at Que Chula Es Puebla restaurant. Contributing writers Carlos Hernandez, Richie Narvaez, and Sergio Troncoso will read from the anthology and answer questions. Sunday, 4:30 pm. Hudson Valley Writers' Center