In two decades on the road Jeffrey Foucault has become one of the most distinctive voices in American music, refining a sound instantly recognizable for its simplicity and emotional power. With a string of critically acclaimed studio albums – “Stark, literate songs that are as wide open as the landscape of his native Midwest” ( The New Yorker) , "Beat-up troubadour folk whittled to dolorous perfection” (Uncut), “Songwriting Brilliance,” ( Irish Times) – he’s built a brick-and-mortar…