 The theme music for the 1984-85 TV sitcom "E/R" was written by Webb.Then in 1985, Glen Campbell recorded Webb's "Cowboy Hall of Fame" and "Shattered" for the album "It's Just a Matter of Time".And heavyweights Johnny Cash, Waylon Jennings, Willie Nelson, and Kris Kristofferson recorded "Highwayman" on the album "Highwayman".