Plan your weekend
Tampa Riverfest: It runs the length of the downtown Riverwalk and gets even bigger in its third year. Saturday's Hot Dog Festival at Curtis Hixon Waterfront Park includes public voting on the best local hot dog and a hot-dog eating contest that will send qualifiers to Nathan's Famous Fourth of July contest in New York. And cutest of all, a wiener-dog derby features racing dachshunds from 10 a.m. to 5 p.m. There will also be a hot-air balloon glow Saturday at 8:30 p.m. and live music at MacDill Park, Water Works Park and the Sail Pavilion at the Tampa Convention Center at various times Saturday and Sunday. Admission to the Glazer Children's Museum is $5 all weekend. Admission to Riverwalk events is free, but a $13 wristband lets you sample hot dog entries and cast a vote from 4 to 8 p.m. Saturday. Full schedule at thetampariverwalk.com.
Tom Petty and the Heartbreakers: One of the greatest American rock bands of all time will bring singles like Refugee, American Girl or Mary Jane's Last Dance on their 40th anniversary tour, which hits Amalie Arena at 8 p.m. Saturday. Joe Walsh opens with hits like Rocky Mountain Way and Life's Been Good. 401 Channelside Drive, Tampa. $31.25 and up. (813) 301-2500. amaliearena.com.
Florida Orchestra does Journey: The orchestra pitches its latest tribute to fans of one of the most popular bands in pop history. The Music of Journey will serve up symphonic enhancements of hits like Don't Stop Believin', Open Arms and Any Way You Want It. The concert features vocalist Brody Dolyniuk, who had already starred in tributes to U2, Queen, the Rolling Stones and the Who. Martin Herman, who has led some of those concerts, conducts. 8 p.m. Friday at the Mahaffey Theater, 400 First St. S, St. Petersburg. $35 and up. (727) 892-5798. floridaorchestra.org.
The King and I: The Rodgers and Hammerstein musical on tour this week at the Straz Center for the Performing Arts from the recent Broadway revival has top tunes, such as Hello Young Lovers and Getting to Know You. Jose Llana reprises an effective performance he gave on Broadway as the king. It runs through Sunday at the Straz, 1010 N MacInnes Place, Tampa. Tickets are $58 and up. (813) 229-7827. strazcenter.org.
Cinco de Mayo: The biggest party is in Dunedin at Casa Tina's, which turns 25 and is celebrating its birthday on Friday and Saturday. Main Street will be closed from 4 to 11 p.m. both days, with arts and crafts, face painting and a Giant Mojiganga Puppet Parade, lots of food and drinks and live entertainment at 365 Main St., Dunedin. Other parties of note: The newly renovated EDGE Social Drinkery, the rooftop lounge at the Epicurean Hotel, is going large on Friday. Find $5 valet parking at 1207 S Howard Ave., Tampa. Or head to downtown St. Petersburg's Red Mesa Cantina for tequila-fired drinks and revelers in sombreros.
Take the kids
Free Comic Book Day: One of the most anticipated events of the year for comic book fans is Saturday's Free Comic Book Day. Publishers supply stores with 50 titles fans can choose from with the hope of discovering new genres and publishers. This year's list includes Fresh Off the Boat, Buffy: The High School Years, Teenage Mutant Ninja Turtles, SpongeBob, Barbie, Doctor Who: Four Doctors Special and more. Go to freecomicbookday.com to find the titles and a shop near you. Among them are Coliseum of Comics, 19412 Bruce B. Downs Blvd., Tampa, and Emerald City Comics, 4902 113th Ave. N, Clearwater. Daddy Kool record store is even getting in on the action this year with a specialty market at 666 Central Ave., St. Petersburg.
How to Build a Time Machine: Sunday afternoon, Tampa Theatre offers lessons in theoretical physics with your popcorn. Jay Cheel's documentary How to Build a Time Machine will be shown at 3 p.m., followed by a Skype chat with one of the film's subjects, theoretical physicist Ron Mallett. Tickets are $11. Mallett and animator Rob Niosi were both inspired by George Pal's 1960 hit The Time Machine, based on H.G. Wells' novel. Niosi later built a full-sized replica of Pal's prop. Mallett studied black holes and other scientific theories hoping to make time travel real.