July 18 Bessie's Big Shot Swedish Cottage Marionette Theater, W 79th Street and West Drive Central Park 12 p.m.; $10 adults, $7 children City Parks Foundation's original puppet production, Bessie's Big Shot, is now playing at the Swedish Cottage Marionette Theatre! The show follows Bessie the cow's dream of joining the circus. Can she lift more than Ziegfried, the strongest man in the world? Fly on a trapeze high above the crowd? Train Munson the Monkey? This variety show cheers Bessie on as she attempts the impossible and searches for her special talents. Reservations are required. Children 18 and under must be accompanied by an adult at all times. centralpark.com Free Music Fridays American Folk Art Museum, 2 Lincoln Square (Columbus Avenue at 66th Street) 5:30-7:30 p.m.; free Enjoy live music each Friday and a cash wine bar. Featuring performances by singer-songwriter Taylor Bridges, Irish-born country singer Gordon Barry and folk rock performer Jim Greene. Hosted by Lara Ewen. folkartmuseum.org July 19 Kayak on the Hudson Riverside Park, Pier 1 at West 72nd Street 10 a.m. ? 5 p.m.; free An all volunteer-staff provides brief instruction and provide all necessary safety equipment as well as changing rooms, lockers and locks, bike locks, sun block, and first aid equipment. This program provides an opportunity to create a personal connection with our waterfront, regardless of age, income or location, and it also serves to educate our communities about how far we have come in cleaning up the Hudson River. manhattancommunityboathouse.org Yoga Class Riverside Library, 127 Amsterdam Ave at West 65th Street Session 1: 10:30 ? 11:30 a.m.; free Session 2: 12 ? 1 p.m. Join us Saturday mornings for free beginners yoga with a certified instructor. Begin the process toward a strong and comfortable body, and a calm and serene mind. Please wear comfortable clothes and bring your yoga mat or a beach towel. All participants must sign a waiver form before they join in. nypl.org July 20 Secrets of St. John the Divine: Spotlight on Hidden Images The Cathedral Church of St. John the Divine, 1047 Amsterdam Avenue at 112th Street 1 ? 2 p.m.; $10 adults; $8 seniors/students What are a stripper and the signs of the zodiac doing in our stained glass windows? Find out on this tour that puts the spotlight on surprising images in glass and stone. Led by Senior Cathedral Guide Tom Fedorek. stjohndivine.org A Memorial Concert for Pete and Toshi Seeger Damrosch Park at Lincoln Center at West 62nd Street 4 p.m.; free Pete and Toshi Seeger's legacies run deep: from transforming the way we listen to our American roots, to demanding social justice and successfully advocating for grassroots environmental change. Organized by their grandson Kitama Cahill-Jackson, an all-star line-up of family and friends gathers to remember these leaders in folk music and activism. Featuring performances by Judy Collins, Peter Yarrow and Kim & Reggie Harris. lcoutofdoors.org July 21 Internet for Beginners St. Agnes Library, 444 Amsterdam Avenue (btwn 81st Street and 82nd Street) 11 a.m. ? 1 p.m.; free An introduction to the internet including getting connected, using a web browser, and navigating web pages. Learn how to find information online using search engines and subject directories. nypl.org National Lampoon's Vacation HBO Bryant Park Summer Film Festival 5 p.m.; free In this 1983 flick, the Griswolds, Chevy Chase and Beverly D'Angelo, set out cross-country with kids to a theme park and everything goes wrong. Co-starring Randy Quaid, John Candy, Anthony Michael Hall, and Eugene Levy, directed by Harold Ramis, and written by John Hughes. The lawn opens at 5:00pm for blankets and picnicking. Films begin at sunset (typically between 8pm and 9pm). bryantpark.org July 22 Flannel Board Story Hours Bankstreet Bookstore, 610 West 112th Street 10:30 a.m.; free Songs and dramatic interactive storytelling make this a very special series of story-times with Rebecca Migdal. Flannel board play is as educational as it is fun and engaging. Children love creative play using the unique felt figures of animals, people, plants and vehicles made for our lovely three-wall flannel mural. This story hour is especially designed for restless tots and high energy youngsters who thrive on hands-on participation. bankstreetbooks.com Batman Day Barnes and Noble, 2289 Broadway at W. 82nd Street 12 p.m.; free Batman Day: A Get Pop-Cultured with Barnes & Noble Event. Join us as we celebrate the DC Comics caped crusader's 75th Anniversary. bn.com July 23 Lunchtime Summer Concert Series Richard Tucker Park, Broadway and W 65th Street 12 - 2 p.m.; free The favorite outdoor concerts at Richard Tucker Park will feature several new ? along with a few returning ? musical performers. Locals, visitors, music enthusiasts, and yogis are all encouraged to grab lunch and make their way to the park for complimentary refreshments from local eatery P.J. Clarke's and live music by top musicians from MTA's Music Under New York, NYC's eclectic "underground" scene! YogaWorks is also returning to Lincoln Square, and will hold free restorative stretch sessions in between music sets for some lunchtime relaxation. Featuring performances by the Good Mornings Nags and the Blue Vipers of Brooklyn. lincolnsquarebid.com July 24 Tucker Square Greenmarket West 66th Street and Columbus Avenue 8 a.m. ? 5 p.m.; free The Greenmarket offers locally grown produce, with seasonal vegetables like corn and greens to Mexican specialties like papalo and epazote. There are also farmstead cheeses, fresh seafood, grass fed beef, duck and duck charcuterie, eggs, artisanal baked goods, and maple syrup. grownyc.org Paul Sforza BAR Thalia, Symphony Space, 2537 Broadway at W 95th Street 9 p.m.; free New York-based singer/songwriter Paul Sforza's latest EP Destination introduces five new original songs with instantly memorable lyrics and melodies. Paul's smooth, soulful voice and a polished production by Scott Patton (Sugarland, Jennifer Nettles) make this a collection that pop/rock fans will not want to miss. symphonyspace.org