Horn of Plenty

Satchmo SummerFest celebrates native son Louis Armstrong’s birthday with more than 13 food vendors, dance lessons and three dozen-plus live performances by Ellis Marsalis, Kermit Ruffins, above, the New Birth and Rebirth brass bands and more. Daily tickets are $5. Friday, Saturday, Sunday at the Old U.S. Mint, 400 Esplanade Ave.

Whitney White Linen Night

Galleries, museums and restaurants in the Arts District will open their doors for art patrons in their fine white outfits. Food and live music will be available in the streets to round out the block party. Free admission. 6 p.m. to 11 p.m. Saturday at the Contemporary Arts Center, 900 Camp St., and the 300-700 block of Julia Street.

Oktober is coming

To celebrate German heritage, Harvest Fest will host a weekend of German food, music and dancing at the organization’s temporary headquarters in Metairie. Tickets are $6. Festivities run 6 p.m. to 11 p.m. Friday; 4 p.m. to 11 p.m. Saturday, at Deutsches Haus, 1023 Ridgewood Drive, Metairie.