In the Studio With Jason Isbell Making 'Celebratory' New Album

Every afternoon for the past three weeks, Jason Isbell has been showing up to the Sound Emporium around 1 p.m. The routine is usually the same: He’ll park in the Nashville building’s back lot, walk past the bowls of complimentary Cheez-Its and biscuits and greet his bandmates inside Studio A. Then,…