At Spittoono XXXIX - Shirt seems to be the "Highwaymen" - Johnny Cash, Hank Williams
Willie Nelson & Waylon Jennings, although the ACTUAL "Highwaymen of record were Johnny Cash, Waylon Jennings, Willie Nelson, and Kris Kristofferson. These are US country singers. Only Willie Nelson and Kristofferson survive. Williams did not perform with the group. Confusing but...
https://pbase.com/bbellngr/spittoono_39

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