Thursday through Sunday

“The Boswell Sisters: The Music Goes Round & Round”

Sisters Martha, Connie and Vet Boswell of New Orleans exported a tight-harmonied sound that captured radio audiences of the 1920s and ’30s and influenced most of the girl groups of the World War II era. Four days of events, including a revue featuring local, national and international talents and an exhibit at tthe Historic New Orleans Collection. The revue is 8 p.m. Friday at the Old U.S. Mint, 400 Esplanade Ave., New Orleans. (504) 568-6993. www. theboswellsisters.com.

Friday

“An Evening on the Bayou” Mini Greek Festival

Kicking off a weekend of celebration for the 150-year-old Holy Trinity Cathedral (the oldest in the Americas), the public is invited to dance to Greek music, enjoy Greek cuisine and enjoy a grand fireworks pageant over Bayou St. John. The event begins with an ouzo toast. Oopah! Tickets are $50. 6:30 p.m. Holy Trinity Cathedral, 1200 Robert E. Lee Blvd., New Orleans. (504) 282-0259. www.holytrinitycathedral.org.

Friday

Columbus Day Concert

Celebrating the contribution of American Italians to the music, food and culture of New Orleans and the United States, the concert line-up features the Lino Patruno Jazz Show and a Tribute to the Original Dixie Land Jass Band. There’s also a marketplace with vendors selling authentic Italian food and goods. (504) 522-7294. $15 at thd door. www.americanitalianculturalcenter.com.

Friday through Sunday

Gentilly Fest

A free, three-daycelebration of all things Gentilly: food, music and fun with featured performer Kermit Ruffin and a host of gospel performances. Pontchartrain Park, corner of Press Drive and Prentiss Avenue, New Orleans. A three-day festival celebrating New Orleans culture with food, music and fun. Highlights include Kermit Ruffin and a host of gospel performances. No outside food or drink. Free. www.gentillyfest.com.

The Louisiana Seafood Festival

The three-day festival features the state’s finest seafood and cuisine, plus an exciting music lineup, chef’s demonstrations, a beer garden, kids’ tent and an art village. FAnd it’s free. www.louisianaseafoodfestival.com. 11 a.m. to 9 p.m. Friday and Saturday, 10 a.m. to 7 p.m. Sunday. City Park Festival Grounds, Wisner Boulevardlvd., New Orleans.

Saturday

Japan Fest

It’s the 20th anniversary of Japan Fest, presented by the New Orleans Museum of Art NOMA and the Japan Club of New Orleans. This annual celebration of Japanese culture includes martial arts demonstrations, live music, food, guided tours of NOMA’s Japanese collection, and more. 10 a.m. to 4 p.m. NOMA, 1 Collins Diboll Circle, City Park, New Orleans. (504) 658-4100. noma.org.

French Quarter home tours

Porches, Patios and Parlors of the French Quarter, a home tour, begins at 629 or 924 Gov. Nicholls St., New Orleans. Hosted by the Greater New Orleans Council of the Navy League of the United States to benefit the Naval Sea Cadet Corps. 1 to 4 p.m. Sunday. $25. (504) 522-8946. www.gnonl.org.

Wednesday

Carl Hiaasen

International bestselling author Carl Hiaasen reads and signs his new young adult novel, “Skink — No Surrender,” that resurrects the wondrous Skink from his hugely popular “Double Whammy.” 6 p.m. Octavia Books, 513 Octavia St. (504) 899-7323.