Creole accordionists Joe Hall and Dexter Ardoin lead the monthly Zydeco Capital Jam from 1 p.m. to 3 p.m. March 11 at the St. Landry Parish Visitor Center, I-49 exit 23, in Opelousas. The March jam is held in honor of Cajun and Creole music pioneer Amédé Ardoin. Born March 11, 1898, near Eunice, Ardoin recorded French waltzes, two-steps and blues that laid the foundation of Cajun music and zydeco.…