Jason Isbell Covers Bon Iver's "Towers," Says New Teeth Improved His Falsetto

Earlier this year, Jason Isbell got his teeth fixed. On Twitter, he wrote that this was not purely an aesthetic decision: “I had bone loss, severe infection and neuralgia, and without the repairs I wasn't gonna be singing much longer. Like I don't know if I mentioned this in any songs or interviews or whatnot, but I'm a recovering alcoholic from Alabama. It should really make sense to everyone.” Now that he’s got a whole new set of chompers, Isbell can apparently do things with his voice t...