Episode 331: Hayes Carll is such an admired veteran of the Texas songwriting tradition that his visage is painted on a sign along with Townes Van Zandt at the Old Quarter Cafe in Galveston. Over ten albums, he's matched cleverness with insight and tenderness with roadhouse rock and roll. In this self-effacing interview, Carll talks about his apprentice years at that storied bar, his adjustments after being signed to a Music Row label, and his vulnerable new album We're Only Human.