Veteran singer-songwriter-actor Steve Earle and veteran actor-director Steve Buscemi are two people who would seem to have known each other for ages. Their work, whether it’s Earle’s vast catalog of songs (“Copperhead Road,” “Guitar Town”) and acting roles (“The Wire,” “Treme,” “Leaves of Grass”), or Buscemi’s formidable history of acting and directing (“Fargo,” “Reservoir Dogs,” “The Big Lebowski,” “The Sopranos,” “Boardwalk Empire”), shares a certain humanity, sensitivity and sensibilities.