1. BLUES IN DA PARISH

Saturday: Annual blues festival at the 700-acre Docville Farm, 5124 E. St. Bernard Highway, 1930s estate of legendary St. Bernard Sheriff Louis A. “Doc” Meraux. Browse historic outbuildings, hear blues or join in with free harmonica lessons at 1 p.m. merauxfoundation.org

2. ART FOR ARTS’ SAKE

Saturday: Thousands will take to the streets to visit museums, galleries and shops on the annual arts night out. The Contemporary Arts Center, 900 Camp St., is the epicenter of the artistic whirl, with installations outdoors and a gala. Saturday 6-9 p.m. cacno.org

3. ST. TAMMANY PARISH FAIR

All weekend: The fun kicks off with a parade Friday at 10 a.m.; midway open 3 p.m. to 11 p.m. for a $25 ticket. See 4-H exhibits, beauty pageants, juried quilt and livestock displays. Friday, Saturday and Sunday in Covington. sttammanyparishfair.info.