Anyone have evidence showing where this jam session standard came from? I've seen it listed as "traditional Polish." The "Handbook of Texas Online" in the section on Westphalia, Texas, says "Cotton Collins, a fiddle player for the Lone Star Playboys, composed a "no-name" waltz in 1946. After a dance[in Westphalia, Texas], local citizens suggested the song be titled the "Westphalia Waltz." It was first recorded by the Lone Star Playboys."

Any evidence of this tune before 1946?