I don't think the Lafourche Parish music scene is as grand as it is in the prairie region around Lafayette. However, you take a trip down La. 1 to Grand Isle (if you can get there, their bridge was torn up by Katrina), you'll see another world. Main street is a large bayou, with hardtop roads on each side. Boats, boats, boats, boats, boats, boats, and then some big boats.

Here's her official site (in French only it seems). She seems to be an accomplished artist.
Maz