What Katrina?

It’s not that Louisiana musicians have forgotten about Hurricane Katrina—certainly not Dr. John, for instance—but looking at OffBeat’s selections for the top CDs of 2008, it’s notable how Katrina and Rita have become part of our world. They still influence a lot of the art made in the state and the music recorded here, and their influences are felt directly or indirectly on Dr. Michael White’s Blue Crescent, Lil Wayne’s Tha...