Jax-based singer-songwriter Cory Driscoll is set to release Eureka Springs, the follow-up to 2018’s Tropical Depression, an album of earnest folk tunes chronicling an anxious period between the landfalls of hurricanes Matthew and Irma.  If anything, Tropical Depression proved Driscoll not only a crafty songwriter, but an ambitious and calculating artist capable of tying together loose threads across a sprawling …