Next month, onetime Drive-By Trucker Jason Isbell, along with his 400 Unit, is releasing a self-titled album. We're told the opening track "Seven-Mile Island" is "an oblique eulogy" to Alabama harmonica player Topper Price. It's also a story about: [A] failed father, a birthing mother, an island on which banished Native Americans congregated, a place where Jason and his dad ...