At Jazz Fest, music is always as close as the nearest stage. But outside the Fair Grounds, Louisiana also has its more hidden attractions -- our own musical blue highways. Where else but New Orleans can you turn the corner and find yourself in the middle of a Mardi Gras Indian practice? In what other land but Central Louisiana can you drive down a country road past a series of signs for Baptist churches, only to find yourself in the hometown of rock & roll’s famous Killer, Jerry Lee Le...