Zydeco and Creole accordion master Randall Jackson leads the return of the Zydeco Capital Jam from 1 to 3 p.m. Saturday at the St. Landry Parish Visitor Center, I-49 exit 23, just north of Opelousas. The event is an encore for Jackson, a Creole-speaking native of rural east Texas who grew up hunting, riding horses and playing gospel music with family. After years of listening to zydeco on the rad…