High Quality Content by WIKIPEDIA articles! "You`re the Reason God Made Oklahoma" is a 1981 single from the film "Any Which Way You Can" and was performed by David Frizzell and Shelly West. "You`re the Reason God Made Oklahoma" was written by Felice and Boudleaux Bryant, Larry Collins and Sandy Pinkard (of Pinkard Bowden) would become Shelly West`s debut on the country chart and David Frizzell`s second hit on the country chart. The single was the most successful of seven country hits by the duo and would go to number one on the country chart for one week and spend a total of eleven weeks in the Top 40 country chart .