Accordion master Randall Jackson returns to the Zydeco Capital Jam from 1 p.m. to 3 p.m. July 11 at the St. Landry Parish Visitor Center, I-49 exit 23, near Opelousas. Since his last appearance in 2024, Jackson and his band, RJ and Kreole Smoove, have enjoyed a zydeco radio hit, “Kreole Tenderoni.” The band blends traditional zydeco with R&B, gospel and hip hop flavors. Several songs are in Cre…