Love Letters: Original play that follows two friends from childhood through adulthood and the letters they share, 7:30 p.m., Studio@620, 620 First Ave. N, St. Petersburg. $20. Call 895-6620.
Dali's Babaouo and the Nature of Surrealist Filmmaking: Lecture by William Jeffett, 7:30 p.m., Studio@620, 620 First Ave. N, St. Petersburg. Free. Call 895-6620
Palladium concert: Performance of Samuel Barber's powerful Dover Beach and Dvorak's Masterpiece American Quartet by virtuosi players Scott Kluksdahl, Carolyn Stuart and friends, 7:30 p.m., Palladium, 253 Fifth Ave. N, St. Petersburg. Also features baritone Todd Donovan. Talk-back follows with Jeff Donovick. $12-$17. Call 822-3590.
Side Door Jazz: Featuring Impromptu, a Django Reinhardt-flavored ensemble that works primarily as a traditional Gypsy jazz quartet (i.e. two guitars, violin and bass), 7:30 p.m., Palladium. $20. Call 822-3590.
Do Not Go Gentle: Play by Susan L. Zeder presented by the Gulfport Community Players, 8 p.m. Thursdays-Saturdays and 2 p.m. Sundays through May 4, Catherine A. Hickman Theater, 5501 27th Ave. S, Gulfport. $15. Call 322-0316.
Symphonic guest: Young artist competition winner Sabrina Fernandez is featured with the Tampa Bay Symphony, 8 p.m., Mahaffey Theater, 400 First St. S, St. Petersburg. $15. Call 442-3696 or check tampabaysymphony.com.
Movies under the stars: Cats and Dogs (PG), 8 p.m., Seminole City Park, 7464 Ridge Road. Bring chairs or blankets. Popcorn and drinks for a fee. Free. Call 391-8345.
Organizing Cities: Boyd Hill Nature Park ranger Hermann Trappman presents a lecture on the original Indian residents of St. Petersburg, 2 p.m. at Maximo Park. Meet at Boyd Hill Nature park, 2900 31st St. S, St. Petersburg. Continues May 3. $6. Call 893-7326.
Cat Lovers Workshop: Area veterinarians offer information to help your cats live healthy lives,
8:30 a.m.-5 p.m., TradeWinds Island Grand Resort, 5500 Gulf Blvd., St. Pete Beach. Proceeds benefit the Pinellas Animal Foundation. Registration required. $50. Visit pinellasanimalfoundation.org or call 347-7387.
Mayor's Pancake Breakfast: Rick Baker visits with the community and serves his Mickey Mouse pancakes, 8:30-11:30 a.m., Harbordale YMCA, 2421 Fourth St. S, St. Petersburg. Event includes all kinds of kid-friendly events. All-you-can-eat pancakes are $4, $3 per child. Buy in advance at the Harbordale YMCA or at the door. Call 821-9348 or see stpeteymca.org.
Westward Ho from the Waterfront: St. Petersburg Preservation takes you on a downtown walking tour. Learn about the history of baseball in St. Petersburg, then take the trolley through Historic Kenwood, 10 a.m., begins at Central Avenue and Second Street N, St. Petersburg. $5. Call 824-7802 or go to stpetepreservation.org.
Bugs on the Pier: Vintage and new Volkswagens on displays, noon-6 p.m., 800 Second Ave. NE, St. Petersburg. Free. Call 821-6443.
Artifacts and fossils show:
11 a.m.-8 p.m., the Pier. $3, $2 children under 12. Call 631-6443.
Painting Our Florida Waters: Meet collaborators Christopher M. Still, an artist, and oceanographer Dr. Randy J. Runels, 2 p.m., Weedon Island Preserve, 1800 Weedon Drive, St. Petersburg. Suitable for those 12 and older. Still's exhibit runs through May 31. Free. Call
453-6501 to register.
Green Thumb Festival: Celebrate Arbor Day and Earth Day, 9 a.m.-
4 p.m. today and Sunday, Walter Fuller Park, 7891 26th Ave. N, St. Petersburg. Nursery, environmental exhibits, recycling programs, children's activities, plant diagnostic clinic, tree giveaway, tool sharpening, free mulch, music. Free. Call 893-7335 or go to www.stpete.org/parks/greenthumb.htm.
Family Fun Fishing Day: 8-11 a.m., Walsingham Park, 12615 102 Ave. N, Largo. Fishing tackle and bait provided or bring personal fishing tackle. Free. Call 464-3347.
Owl Prowl: Enjoy the fascinating nighttime world of Florida owls, 7:30 p.m., Boca Ciega Millennium Park, 12410 74th Ave. N, Seminole. Free. Call 588-4882 to register.
Veronika Jackson, folksinger, songwriter and storyteller: 7 p.m., Studio@620. $15, $10 students and seniors. Call 895-6620.