Scenic Roots - Weds 2/08/23 Published February 8, 2023 at 4:56 PM EST Listen • 29:40 Allan Harris on “Cross That River,” a Black Cowboy Musical.Jet-set farce “Boeing Boeing” lands on Signal Mountain.Garry Posey on “Doubt: A Parable” at Ensemble Theatre.These voices - and more - on this edition of “Scenic Roots.”