The New Orleans Seafood Festival fills Lafayette Square with live music, arts vendors, cooking demonstrations and food and drink for a long weekend. Performers include Kermit Ruffins (pictured) & the Barbecue Swingers, Amanda Shaw & the Cute Guys, Jon Cleary’s Philthy Phew and others. Free admission. 4 p.m.-8 p.m. Fri., 11 a.m.-8 p.m. Sat., 11 a.m.-6 p.m. Sun. Lafayette Square, 600 St. Charles Ave.;
www.neworleansseafoodfestival.com