Tex Ritter was born on January 12, 1905 in Murvaul, Texas, USA. He is known for Song of the Gringo (1936), High Noon (1952) and Varsity Blues (1999). He was married to Dorothy Fay. His son was actor John Ritter. He died on January 2, 1974 in Nashville, Tennessee, USA. The Gunsmoke radio theme song and later TV theme is titled "Old Trails", also known as "Boothill". The Gunsmoke theme was composed by Rex Koury. The original radio version was conducted by Koury. The TV version was thought to have been first conducted by CBS west coast music director Lud Gluskin. The lyrics of the theme, never aired on the radio or television show, were recorded and released by Tex Ritter in 1955. Ritter was backed on that Capitol record by Rex Koury and the radio Gunsmoke orchestra. William Lava composed the original theme music for television, as noted in the program credits.