A Hoop City Kids performance, Cingular Million Dollar Shot and Bonnie Bernstein of CBS signs autographs. 10 a.m., $3-$5. America's Center, Broadway & Washington, St. Louis, 314-241-1888.
Michale Tolcher, Better Than Ezra, Gavin DeGraw, Joss Stone and Kelly Clarkson perform; food and beverages also available; at 8th and Market streets. noon-7 p.m., free.
March to the Arch
Dribble basketballs down Market Street to the Arch; all participants must register starting at 11 a.m.; see Web site for more details. Sun., April 3, 2 p.m., free, www.stlloc.org. St. Louis Union Station, 20th & Market streets, St. Louis, 314-421-6655, www.stlouisunionstation.com.
Monster Mascot Challenge
NCAA mascots compete in events including a trampoline high jump, vault, balance beam, dribbling and skateboarding to earn the title of 2005 Monster Mascot Challenge Champion. Sun., April 3, 3:30-4:30 p.m., $3-$5. America's Center, Broadway & Washington Ave, St. Louis, 314-241-1888.
The Bob Costas Benefit Gala Huey Lewis and the News and comedian George Wallace are the stars of this fete that benefits the cancer center at SSM Cardinal Glennon Children's Hospital. 7:30 p.m., $35-$250. Fox Theatre, 527 N Grand Blvd, St. Louis, 314-534-1111, www.fabulousfox.com.
A Hoop City Kids performance and a fencing club demo. 10:30 a.m., $3-$5. America's Center, Broadway & Washington, St. Louis, 314-241-1888.
National Championship Game
Event is sold out. 8:21 p.m. Edward Jones Dome, Broadway & Washington Ave, St. Louis, 314-241-1888.
The Chingy Championship Party
Chingy hosts a post-Final Four party, presented by KSLZ (107.7 FM). 9 p.m.-3 a.m., Velvet, 1301 Washington Ave, St. Louis, 314-241-8178, www.velvetvibes.com.