Hi, I'd like to suggest visiting this site
http://www.louisianatravel.com/ and ordering the travel guide.
There are many many options for your visit so a little planning might help to use your time here wisely.
At the moment, I am not aware of any shows that are going on in the area. Hopefully some other members from Louisiana will pop in and help out!
Oh, and get ready for some really really good food!