Following on the heels (or perhaps we should say the fins) of the omnipresent blackened redfish, the latest rage to come out of the bayou country is Cajun dancing. For quite a few years now Americans have been discovering what “Cajun” is all about—its special blend of food, music and good times. The culture of the Acadians has a spice all its own. Suddenly the interest in learning how to waltz and two-step—Cajun style—is spreading across the country.

Steps that were once learned only in ru...