Machine Gun Kelly: The rapper, who's played numerous raucous shows in Tampa Bay (including getting arrested after a 2012 show in St. Petersburg), performs at 6 p.m., Amphitheatre, 1609 E Seventh Ave., Ybor City. $25-$40. (813) 873-8368.
Summer Nights: Pentatonix: Catch the a cappella group that won The Sing-Off in 2011 as part of Busch Gardens' extended hours summer program. Park opens at 9 a.m. at 3605 Bougainvillea Ave., Tampa. Included with park admission: $95, $90 for ages 3-9. (813) 987-5600.
Do Good. Have Fun.: Keep Tampa Bay Beautiful needs volunteers for a cleanup and beautification project along the Courtney Campbell Causeway trail. Volunteers will be treated to a picnic lunch with live music after the 8:30 a.m. cleanup at Hogan's Beach , 7700 Courtney Campbell Causeway, Tampa. Free. (813) 281-8900.
Cool Art Show 26: This juried fine art and craft event features cool art from 80 local and statewide artists specializing in paint, wood, ceramics, photography, metal, glass, mixed media and jewelry. It's at 10 a.m., Coliseum, 535 Fourth Ave. N, St. Petersburg. Free. (727) 736-2466.
Tarpon Springs Wine Walk: Stroll the shops and 35 participating merchants for wine tastings, appetizers and prizes. It starts at 4 p.m., Wine at the Docks, 828 Dodecanese Blvd., Tarpon Springs. $25. (727) 433-1488.
Americana Fest: This year's annual WMNF event features Nikki Lane, Rebekah Pulley and the Reluctant Prophets, Beartoe, Ronny Elliott with Chinese Mary Jane and more starting at 4 p.m., Skipper's Smokehouse, 910 Skipper Road, Tampa. $15. (813) 977-6474.
Trashion Fashion: This unorthodox fashion show features wild designs created entirely from recycled products, with designers as young as 13. Doors open at 8 p.m., ARTpool Gallery, 2030 Central Ave., St. Petersburg. $20, $45 VIP. (727) 324-3878.
KIDS AND FAMILY
Snooty the Manatee's 66th Birthday Bash: The oldest known manatee in captivity celebrates with children's games, a wildlife awareness festival, art activities, food and entertainment. The outdoor party is free, and tickets to the museum are reduced: $9, $8 seniors, $7 ages 4-12, 3 and younger free. Festivities get going at 10 a.m., South Florida Museum, 201 10th St. W, Bradenton. (941) 746-4131.
SERIES PREMIERE Daryl's Restoration Over-Hall, 10 p.m., DIY Getting the Hall and Oates singer to host a home-improvement show wasn't DIY's first choice. They initially wanted to go with Rupert's Homes, Stainless Steely Dan Kitchens and Kenny's Log(cab)ins.
MORE TO EXPLORE
Find reviews of summer movies at tampabay.com/things-to-do.