On his solo debut Traveller, Chris Stapleton finds country's soul while watching for the changes

It's Friday afternoon and Chris Stapleton is home in Nashville for a brief layover between Boston and New Orleans gigs, a bit of "dartboard routing" before his solo debut Traveller hits stores. The conversation - our second in less than a week - has gone so far off topic that we've come back around to some fundamental truths about his artistic process, about taking things as they come.