For interesting articles on folk life in Louisiana; homepage: Folklife

An example is the article on Ray Beebe's Louisiana String Band: North Louisiana String Band

Interesting downloadable examples of Louisiana traditional music are here: Louisiana Voices

Included is the seldom heard Leadbelly song, "Fannin Street," and
Clifton Chenier "Zydeco sont pas salé"
Also "Jezebel" by "The Ever Ready Gospel Singers."

I hope the direct links work; I have not tried them. All of the many sections can be reached through the links on the home page, but there are many sub-links since this is an extended teaching resource.