John Mayer: His romance with Jessica Simpson was annoying, but the guy can play guitar, and his tour also features the talented Ben Folds. 7 p.m., Ford Amphitheatre, 4802 N U.S. 301, Tampa; $29.50-$52.50. (813) 740-2446.
Palantine: Trivia buffs should love that guitarist, singer and drummer Vinnie Cosentino got his band's name from Taxi Driver's Sen. Charles Palantine, the guy Robert De Niro's character tries to assassinate. Dark and quirky, like this catchy rock 'n' roll group. 9 p.m., New World Brewery, 1313 E Eighth Ave., Ybor City. $5. (813) 248-4969.
Comedy show: Local media personalities risk bombing for charity at the Decidedly White-Collar (Hopefully) Comedy, One-Night Tour. WFTS-Ch. 28 anchorman Brendan McLaughlin, Bay News 9 anchorwoman Jen Holloway, WFLA-AM 970's Jack Harris and Tedd Webb and more yuk it up for Metropolitan Ministries. 8 p.m., Improv, 1600 E Eighth Ave., Ybor City. $10. (813) 864-4000; www.improvtampa.com.
Tampa Bay Beers: Home brewers and craft beer enthusiasts gather at 7 p.m. at Mr. Dunderbaks, the biergarten next to Sears at University Square Mall, to swap brewing secrets and enjoy the 250 beers available. www.tampabaybeers.org.
Casa Blue, The Last Moments in the Life of Frida Kahlo: It's "Pay What You Can Night" for this newly minted hit play by Jeremy Childs, Karen Garcia and Todd Olson, which was recently extended through Aug. 19. Tickets are normally $22-$35 for this exploration of the Latina icon's turbulent life through a series of surreal vignettes. 7:30 p.m., American Stage, 211 Third St. S, St. Petersburg. (727) 823-7529; www.americanstage.org.
Art film: Get a bit of Florida history at a showing of The Highwaymen: Florida's Outsider Artists. 1 p.m., Gulf Coast Museum of Art, 12211 Walsingham Road, Largo. Free. (727) 518-6833.
Power of 10, 8 p.m., WTSP-Ch. 10: The price was right for Drew Carey, but he has another game show to launch before taking over for Bob Barker. This one gauges contestants' ability to tap into the American mind-set by asking them to predict the answers to intriguing public opinion poll questions. For example: What percentage of Americans said they were virgins the day they got married?
Grand Slam, 8 p.m., GSN: Dennis Miller hosts this competition featuring game show contestants from the past 20 years, including Jeopardy! champion Ken Jennings. The winner-take-all format features a series of one-on-one matches, with players facing questions on a variety of topics. The eight-episode series awards a grand prize of $100,000 to the last player standing.