97X Next Big Thing: One of the best lineups this series has ever put together features breakout alt-rock band Young the Giant, indie popsters Foster the People (Pumped Up Kicks), above, Manchester Orchestra, Bush, Cage the Elephant, Taking Back Sunday and more starting at 10 a.m., 1-800-ASK-GARY Amphitheatre in Tampa. $30-$65.
Hall and Oates: The legendary duo perform with MUTLU. 8 p.m., Ruth Eckerd Hall, 1111 N McMullen-Booth Road, Clearwater. $49.50, $69.50, $100.
$5 Day at MOSI: Everyone is admitted to MOSI's exhibit galleries for just $5, and for a special treat, the clowns from the Ringling Bros. and Barnum & Bailey circus will teach "children of all ages" the science behind the circus from 11:30 a.m. to 2 p.m., 4801 E Fowler Ave., Tampa.
Charlie Daniels Band: The fiddler joins a variety of country acts for a concert to benefit the Angelus House starting at 3 p.m., Dallas Bull, 3322 U.S. 301, Tampa. $15.
Parachute: The Virginia pop-rock act (She Is Love) performs a free show today at Push Ultra Lounge at 8:30 p.m. Get there early because entry is first come, first served, 128 Third St. S, St. Petersburg.
KIDS AND FAMILY
Snowfest: The day starts with the 84th annual Santa Parade beginning at Central Avenue and Fifth Street. Then winter blows 65 tons of snow into St. Petersburg's North Straub Park at 10 a.m. $5 wristband for all activities.
Holiday in the Park Winterfest: Pinellas Park welcomes Santa with hay ride tours of holiday lights, games, live entertainment and more starting at 9 a.m., England Brothers Bandshell Park, 5010 81st Ave. N.
Santa Fest: Tampa's Downtown Holiday: Curtis Hixon Waterfront Park abounds with family activities, a Radio Disney Festival of Giving to drop off charitable donations, and make-n-take holiday themed crafts starting at 11 a.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa.
Hercules Saves Christmas, 6 p.m., Animal Planet The dog from Pit Boss plays Santa's favorite holiday doggie.
Saturday Night Live, 11:30 p.m., NBC Steve Buscemi hosts for the first time since 1998.
MORE TO EXPLORE
More Santa spottings at tampabay.com/things-to-do.