‘True Stories’: Touring Texas With David Byrne
                    
                    
                
                    Virgil, Tex., flat, cement-hard, shimmeringly uglybeautiful, holds the same fascination for David Byrne, who made it up, as Nashville did for Robert Altman or Grover's Corners for Thornton Wilder or the Emerald City of Oz for L. Frank Baum.