UB40: The pioneering reggae-pop group now featuring Ali Campbell, Astro and Mickey Vitrue will perform all the hits that catapulted them to the forefront including(I Can't Help) Falling In Love and Food For Thought. 8 p.m., Mahaffey Theater, 400 First St. S, St. Petersburg. $42.50-$175. (727) 893-7832.
A Gentleman's Guide to Love and Murder: The 2012 Tony Award winner for Best Musical tells the hilarious story of Monty Navarro, a distant heir to a family fortune.Through Sun. 8 p.m., Carol Morsani Hall at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $40-$95. (813) 229-7827.
Drowning Pool: The Texan rockers headline a pre-Halloween bash alongside late '90s rock quartet, Alien Ant Farm, electronica DJ Heavy Grinder and more. 6 p.m., Ferg's Live, 490 Channelside Drive, Tampa. $33-$70. (813) 443-8403.
Warren Hayes: Jam-band fans unite as the former Allman Brothers Band and Gov't Mule guitarist rocks out. Folk, country star and son of Steve Earle, Justin Townes Earle opens. 7 p.m., Jannus Live, 200 First Ave. N, St. Petersburg. $26.50 through Ticketmaster. (727) 565-0550.
Mariam Pare Artist Demonstration: The quadriplegic artist will demonstrate her extraordinary talent of painting with her mouth. 11 a.m., Museum of Fine Arts, 255 Beach Drive NE, St. Petersburg. Free with museum admission. (727) 896-2667.
John's Pass Seafood Festival: With more than 100 seafood options, Halloween block party, 'World's Largest Bloody Mary Toast' attempt, arts and crafts and live music. 12 p.m., John's Pass Village and Boardwalk, 150 John's Pass Boardwalk, Madeira Beach. Free (food/drink additional). (727) 322-5217/
Green Bench Ceramics Exhibition and Sale: The collaborative effort of local ceramicists Adam and Melissa Yungbluth, Casey McDonough and Matt Schiemann will have their works on display and available for sale. There is an artists' reception on Friday night from 6-9 with a presentation about the work at 7 p.m. 12 p.m., Studio@620, 620 First Ave. S, St. Petersburg. Free. (727) 895-6620.
Hellview Haunted Cemetery: Hellview Cemetery is a free local haunted attraction. This year's theme, Classic Monsters, draws on characters and stories taken from local lore and ghost stories. Donations benefit The Kind Mouse. 7 p.m., Hellview Cemetery, 510 49th Ave. N, St. Petersburg. Free (donations appreciated). (727) 525-2139.
Jason Aldean: The reigning three-time ACM Male Vocalist, cowboy hat-wearing country star comes to Tampa during his Burn It Down tour with openers, Cole Swindell, Tyler Farr and Dee Jay Silver. 7:30 p.m., MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $25.50-$65.50 through Ticketmaster. (813) 740-2446.
A Nightmare on Franklin Street: The Conjuring: A Halloween series featuring 9 nights of classic horror films and creepy cult favorites. Rated R. $10, $8 members. 7:30 p.m., Tampa Theatre, 711 Franklin St., Tampa. Price varies by event. (813) 274-8982.
Navaratri: The Gujarati Samaj of Tampa Bay celebrates the Indian festival of Navratri with live music and dancing called garba and raas. There will also be Indian snacks such as kulfi (ice cream) and clothing vendors. 8 p.m., University of South Florida Sun Dome, 4202 E Fowler Ave., Tampa. $15, $10 students/seniors, free GSTB members. (727) 686-7424.
Florida Orchestra Masterworks: Vivaldi's The Four Seasons: Performing one of classical music's most recognizable works, the concert features violinist Lara St. John. The program will also include Bach's Violin Concerto No. 2 and The Four Seasons of Buenos Aires by Piazzolla. 8 p.m., Ferguson Hall at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $15-$45. (727) 892-3337.
KIDS AND FAMILY
Films in the Park: Beetlejuice: Bring chairs and blankets for the city of Dunedin's family movie screening beginning after the sun sets. This portion features Beetlejuice. 6:30 p.m., Pioneer Park, Main Street and Douglas Avenue, Dunedin. Free. (727) 812-4530.
Pacific Warriors, 10 p.m., Discovery Channel. Come for the beautiful scenery — and stay for the tense drama. It's a six-part series that follows brave men and women in Hawaii who are out to hook monster fish while floating in nothing more than small sea kayaks.
Because of a family emergency, chef Fabrizio Aielli (Sea Salt) will not appear at the Tampa Bay Times Festival of Reading on Saturday. Publisher Bob Morris will take his place on the "Delicious Tampa Bay" cookbook panel.
MORE TO EXPLORE
Find family friendly spooks at tampabay.com/things-to-do.