How times have changed: Donnie Nelson couldn't talk Mark ... "you shouldn't be part of the Dallas Mavericks." "If you want to take a vacation," he added, "don't do it with us." ...

Beyond the bard, Nelson has tapped storied folk-rock trio the Avett Brothers, Miami country rock outfit the Mavericks, longtime retro Western swingers Asleep at the Wheel and country singer ...