2 Trains Running: Preview performance: In the aftermath of Martin Luther King Jr.'s assassination and the rise of the black power movement in 1969, a young man learns about lives in transition and social awareness when an iconic Pittsburgh diner is slated for demolition. See it at 8 p.m. at American Stage Theatre, 163 Third St. N, St. Petersburg. Pay what you can. (727) 823-7529.
AFI: This band hit it big in 2003 with their album Sing the Sorrow, and they are touring after the release of 2013 album Burials. Concert starts at 7:30 p.m. at the Ritz Ybor, 1503 E Seventh Ave., Tampa. $25. (813) 247-2555.
Eddie Money: You'll be singing Take Me Home Tonight when the rock icon takes the stage in Clearwater for his special acoustic tour Unplug it In...Again. Expect the hits and some surprises, like Eddie on piano. Concert begins at 7:30 p.m. at the Capitol Theatre, 405 Cleveland St., Clearwater. $25-$45. (727) 791-7400.
USF Lecture Series: Hill Harper: In part of the Tampa Bay Black Heritage Festival, author and star of CSI: NY Hill Harper will discuss why education is the foundation for success based on his own experiences. The talk begins at 7:30 p.m. at University of South Florida Marshall Student Center, 4202 E Fowler Ave., Tampa. Free. (813) 974-1001.
American Horror Story: Coven, 10 p.m., FX With the coven's future in question, the girls begin to manifest new powers, like the ability to summon Stevie Nicks in the blink of an eye. Talk about witchcraft!
Top Chef, 10 p.m., Bravo We're down to the final four cheftestants and their last challenge in New Orleans is to demonstrate how the Big Easy has influenced their cooking.
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Gasparilla: There's no bigger party in Tampa Bay. Thousands line the downtown Tampa waterfront Saturday to watch the pirate ship Jose Gasparilla sail in with pirates hanging off the rigging, cannons booming and a huge flotilla. Then satisfy your need for beads at the huge parade, with floats, marching bands and pirate krewes along Bayshore Boulevard. All day there's a street festival near Curtis Hixon park with vendors, music and fireworks.
Kumquat Festival: The tiny sweet-tart fruit is the star of this charming festival in Dade City. Sample pies, ice cream, salsas and smoothies, along with arts and crafts, a children's area and entertainment. It's free, starting at 9 a.m. Saturday. (352) 567-3769.