An antique appraisal and car show will take place from 10 a.m. to 3 p.m. at Summerville at Clearwater, 2750 Drew St., Clearwater. Antique appraisals are $5 per item or $12 for three. The event benefits the Alzheimer's Association of Florida and RCS Community Food Bank. Call (727) 799-2177.
A cappella contest: Palm Harbor University High School will host the semifinals of the 2008 International Championship of High School A Cappella competition. It takes place in the school auditorium, 1900 Omaha St. Tickets are $10 at the door. Doors open at 6:30 p.m. Singing starts at 7. Call (727) 455-7702.
Pig roast: Clearwater veterans of AMVETS Post 67 and VFW Post 10304 will host a pig roast starting at noonat 724 Tuskawilla St., Clearwater. Live music. The cost is $10 per dinner. Proceeds will benefit Attention Home for boys. Call (727) 443-7473.
Comic book celebs: Comic World is hosting its second comic book celebrity signing event from noon to 5 p.m.at 2132 East Bay Drive, Largo, with Barbara Randall Kesel, Pat Broderick, Nick Cuti and more. Call (727) 581-9948.
Train show: Regal Railways presents a Train Show and Swap Meet from 10 a.m. to 3 p.m.at the Knights of Columbus Hall, 512 S Lincoln Ave., Clearwater. Vendors will buy and sell. $4 for adults, children younger than 13 admitted free. Call (727) 441-2159 or (727) 244-1341.
Pup Pals: Children can improve reading skills and make a new friend by reading to the Pup Pals Reading Dogs at 10 a.m.at the Largo Public Library, 120 Central Park Drive. Registration required. Call (727) 587-6715.
Artist's reception: A opening reception for artist Alicia Saenz will be from 1 to 3:30 p.m. Sunday at Art on the Docks, 735 Dodecanese Blvd., Tarpon Springs, where her paintings of the real and surreal will be exhibited through March 23. Call (727) 943-9298.
A chorus with heart: The 80-voice Dunedin Community Chorus presents an afternoon of show tunes and Irish music with "Foot Lite Follies-Get Happy!" at 3 p.m. Sunday at the Dunedin Community Center, 1920 Pinehurst Road. Doors open at 1:30 p.m. $5 donation suggested. Call (727) 812-4533.
Take the floor: Scottish country dancing is offered every Sunday at the Scottish American Society Hall, 917 Louden Ave., Dunedin. Beginners class from 6 to 7 p.m., social dancing from 7 to 9:30 p.m. No partner necessary. Call Connie Powell at (727) 787-3805 or Val Wade at (727) 947-4668.
Art explained: The Leepa-Rattner Museum of Art offers a docent tour at 2 p.m. every Sunday. Meet in the lobby of the museum, which is on the Tarpon Springs campus of St. Petersburg College, 600 Klosterman Road. Admission is free on Sundays. Call (727) 712-5762.
Family Story Night: Themed stories, songs, and activities for families begin at 7 p.m. at the Largo Public Library, 120 Central Park Drive. Wear your PJs and bring your teddy bear. Free. Call (727) 587-6715.
Trace your roots: Free genealogy assistance with volunteer genealogist John Kiwala from 10 a.m. to 4 p.m. Mondays at the Tarpon Springs Public Library, 138 E Lemon St. Call (727) 943-4922.
Send calendar information to firstname.lastname@example.org or fax to (727) 445-4119.