Tennessee Walt [Geyden Wren], (2020) “The Curious Case of Paul Gilley”, Tennessee Walt. (Accessed: March 25, 2023): “… there are a small number of people who, quite sincerely, believe that—at least in the case of ‘I’m So Lonesome I Could Cry’ (1949) and ‘Cold, Cold Heart’ (1951)—the answer is Paul Gilley.”